Casio PX-870 vs Roland FP-30X

Choosing the right digital piano is a big decision, especially when you’re trying to strike that sweet spot between quality, features, and price. Two models that consistently pop up for good reason are the Casio PX-870 and the Roland FP-30X. They both fall into that upper entry-level to mid-range bracket—perfect for beginners looking to invest long-term, or intermediate players who want something serious without going full-on stage piano or acoustic upright.

But while they may sit in the same price tier, these instruments are built for slightly different kinds of players. One leans toward a full-bodied, acoustic-like home experience. The other leans toward flexibility, mobility, and tech-savvy integration. I’ve spent solid time with both—teaching, practicing, gigging, and testing in real-world environments.

In this review, I’ll break down the key differences and help you figure out which model fits your lifestyle, playing style, and long-term goals. No fluff, just useful insights.

Casio PX-870 vs Roland FP-30X Comparison Chart

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Feature	Casio PX-870	Roland FP-30X
	Check the best price on Amazon	Check the best price on Amazon
Keyboard Action	Tri-Sensor Scaled Hammer Action II	PHA-4 Standard with Escapement
Key Texture	Simulated Ebony & Ivory	Ivory Feel
Number of Keys	88	88
Touch Sensitivity	3 levels + off	5 levels + off
Polyphony	256 notes	256 notes
Sound Engine	Multi-dimensional Morphing AiR	SuperNATURAL Piano
Piano Tones	5	Multiple Grand/Upright Pianos
Total Sounds	19 tones	56 tones
Speakers	4 speakers (2 × 12 cm + 2 × 4 cm)	2 speakers (2 × 12 cm)
Amplifier Power	2 × 20W (40W total)	2 × 11W (22W total)
Pedals	3 built-in pedals (damper, sostenuto, soft)	Single pedal included (triple pedal optional)
Half-Pedal Support	Yes	Only with optional KPD-70 pedal unit
Recording	2-track MIDI recorder	No onboard recorder (USB/MIDI recording supported)
Metronome	Yes	Yes
Transpose / Tuning	Yes / Yes	Yes / Yes
Split / Layer Functions	Yes / Yes	Yes / Yes
Duet / Twin Piano Mode	Yes	Yes
Bluetooth MIDI	No	Yes
Bluetooth Audio	No	Yes
USB to Host (MIDI + Audio)	Yes	Yes
USB to Device (Flash Drive)	No	Yes
Line Out (¼” jacks)	No (headphone out only)	Yes (dedicated L/R line out)
Headphone Outputs	2 × ¼” stereo jacks	1 × ¼” + 1 × 1/8″ stereo jacks
Audio In	No	No
Learning Features	Concert Play, Chordana App	Roland Piano Every Day App
Finish Options	Black, White, Walnut	Black, White
Cabinet Style	Upright-style furniture cabinet	Portable (stand optional)
Dimensions (W × D × H)	54.8″ × 11.7″ × 31.5″ (with stand)	51.2″ × 11.2″ × 5.9″ (without stand)
Weight	~75 lbs (34.6 kg)	~32 lbs (14.8 kg)
My individual reviews	Casio PX-870 review	Roland FP-30X review

Design & Build Quality

Design and build quality might seem like secondary concerns when buying a digital piano, but they’re actually crucial. Whether you’re looking for a sleek instrument that fits into your modern living room or something you can pack into your car for a gig, the design has to work with your life—not against it.

Both the Casio PX-870 and the Roland FP-30X sit at very different ends of the design spectrum. The PX-870 is built like a piece of furniture, clearly aimed at home users who want an acoustic look and feel. The FP-30X, on the other hand, is a portable slab-style digital piano with flexibility in mind. Let’s take a deeper dive into each.

Casio PX-870: Traditional Upright-Inspired Aesthetic

The Casio PX-870 looks and feels like a digital upright piano. It’s housed in a wooden-style cabinet with a flat top, side panels, a fixed music rest, and a sliding key cover. From a few feet away, you might even mistake it for an acoustic console piano. This design is a big plus if you want your instrument to look like a permanent and classy fixture in your space.

The cabinet comes in three finishes: matte black, white, and walnut. All of them have a subtle grain that gives the look some texture and visual interest without being flashy. The white version, in particular, looks clean and minimal—ideal for modern homes or minimalist setups.

The build feels sturdy and substantial. Unlike many plastic digital pianos in this price range, the PX-870 doesn’t wobble or creak. The stand, keyboard unit, and integrated pedal system all come together into a unified structure that feels purpose-built and stable. The keyboard height is very close to that of a standard upright, and the included triple pedal unit is fixed to the base in a proper piano configuration, which supports good playing posture.

One nice touch is the sliding key cover, which protects the keys from dust and gives the whole unit a “finished” appearance when not in use. It’s something you’ll appreciate over time, especially in busy households or when the piano is in a shared space.

The control panel is tucked discreetly on the left side. It has no screen—just a few buttons for mode selection, function access, and volume control. Everything else is handled through key combinations. While this keeps the visual design clean, it’s not the most intuitive setup, especially for beginners who might not remember what button/key combo activates what function.

Setup takes about 30–45 minutes if you’re doing it solo. It ships in a few pieces: the main keyboard, the stand panels, and the pedal board. It’s not complicated, but the whole package is heavy—around 75 lbs when fully assembled—so it’s best done with help. Once built, it’s not something you’ll want to move often.

This brings us to the biggest limitation: portability. The PX-870 is absolutely not designed to be moved regularly. It doesn’t fold down, it doesn’t fit in a car, and it doesn’t break down easily once assembled. If you’re looking for a piano to gig with, travel with, or even move between rooms frequently, this is the wrong choice.

But if you’re setting up a dedicated music room or corner, it shines. The PX-870 gives you a genuine “home piano” presence, and that contributes to a mindset of commitment and focus. You sit down to play this piano. You don’t toss it on a desk or shift it out of the way.

Roland FP-30X: Modern Portability with Practical Design

The Roland FP-30X takes a totally different approach. This is a slab-style digital piano, meaning it’s essentially a long, flat keyboard that can be used standalone or paired with optional accessories like a furniture-style stand and triple pedal unit. It’s the Swiss Army knife of digital pianos—built for portability, versatility, and integration into a variety of environments.

The FP-30X is housed in a sturdy plastic chassis that comes in black or white. It’s not flashy, but it’s sleek and professional. The build quality is excellent for a portable digital piano. It feels solid under the fingers and doesn’t flex or creak when played hard. It weighs around 32 pounds, making it light enough to carry under one arm or stash in a keyboard bag.

The surface has a slight texture, which helps it resist fingerprints and scratches—something I appreciate, especially when moving it around or gigging. The control panel is located on the left side and includes clearly labeled buttons and a volume knob. No touchscreen or fancy interface here, but it’s intuitive enough for casual and serious players alike.

What makes the FP-30X so appealing is modularity. Roland offers a dedicated stand (KSC-70) and triple pedal unit (KPD-70) that transform the FP-30X into more of a home instrument. When combined, it takes on a similar footprint and vibe to a console digital piano. But crucially, you’re not stuck with that. You can also just use it on an X-stand or table, with a portable sustain pedal.

This modular design is perfect for players with evolving needs. You might start with the basic setup for practice, then add the stand and pedals later for a more serious home rig. Or go the other way—use the full setup at home and remove the piano for rehearsals or performances.

Because of its size and shape, the FP-30X can also fit where the PX-870 can’t. Small apartments, dorm rooms, and multi-use spaces are ideal for a piano like this. Need to shove it under a bed or into a closet for storage? Easy. Try doing that with the PX-870.

It’s also worth mentioning that power and pedal ports are located at the rear edge of the keyboard, not underneath, which makes it easier to manage cables and set up in temporary locations. The back panel also includes two headphone jacks and a USB port, which are positioned conveniently without looking cluttered.

If there’s a knock against the FP-30X’s design, it’s that you’ll need to spend more to get the “complete” piano experience. The basic package includes a single sustain pedal that’s essentially an on/off switch (not great for expressive playing). The full triple pedal unit, which supports half-pedaling and proper damper/sostenuto/soft operation, is sold separately—and it only works with the Roland stand. So if you’re on a tight budget, this may be a factor.

Visual Presence and Vibe

This might seem subjective, but how a piano feels in your space matters. The PX-870, with its full cabinet and upright styling, feels more permanent and substantial. It encourages focused practice. It sends a signal—this is a serious instrument.

The FP-30X feels more casual and lightweight. That’s not necessarily a bad thing. If you live in a small space or share a room with your piano, it’s a more flexible solution. You can set it up, tear it down, move it to a friend’s house, or reconfigure it based on what your week looks like. It’s an instrument that works around your life.

Conclusion

To sum up: The Casio PX-870 is best if you want a stable, attractive, full-size digital piano that stays in one place and looks like it belongs in a living room or music studio. It has the feel and presence of an upright piano, and the construction quality backs it up.

The Roland FP-30X, by contrast, is for people who value flexibility and portability. It’s great for gigging musicians, students with limited space, or anyone who wants a digital piano they can reconfigure on the fly. It’s not quite as elegant in terms of physical design, but it’s built to move, adapt, and stay relevant.

If your environment and lifestyle are stable, go with the Casio. If they’re always shifting, the Roland will make your life easier.

Keyboard Action

When it comes to digital pianos, few things matter more than keyboard action. You can have the most realistic piano samples in the world, but if the keys feel wrong under your fingers, it kills the experience. The action influences everything: your dynamics, your expression, your stamina during long practice sessions, and ultimately your growth as a player.

Both the Casio PX-870 and the Roland FP-30X offer impressive key actions for their price point. They’re each aimed at delivering a realistic feel that mimics the mechanics of an acoustic piano, but they approach it differently. If you’re coming from an acoustic background—or aspire to eventually play a real grand—this is the section you want to pay close attention to.

Let’s break down what each offers, how they feel in use, and where the differences really stand out.

Casio PX-870: Tri-Sensor Scaled Hammer Action II

Casio has been refining its hammer action system for years, and the PX-870 features their Tri-Sensor Scaled Hammer Action II. It’s a fully weighted, graded hammer system designed to replicate the subtle resistance and inertia of an acoustic grand.

First off, the “tri-sensor” part isn’t just marketing jargon. The PX-870 uses three optical sensors per key, allowing for more precise tracking of your playing. This means the keyboard can detect fast repetitions or partial key presses more accurately. If you’re doing trills or playing repeated notes quickly, this system helps prevent dropped notes and laggy response.

The “scaled” part means the keys are weighted progressively heavier in the lower registers and lighter in the higher ones, just like on a real acoustic piano. This matters a lot for muscle memory and proper hand technique. Practicing on a graded keyboard helps train your fingers to respond appropriately to different ranges, which translates well when you switch to an acoustic instrument.

One of the standout features of Casio’s action is the textured keytops. The white keys have an ivory-like matte finish, while the black keys mimic ebony. This gives the keyboard a grippy, tactile feel—especially useful if your hands get sweaty or if you’re playing in a humid environment. Compared to glossy plastic keys, which can feel slippery or cheap, these textures provide confidence and control.

In terms of weight, the PX-870’s action is on the heavier side for digital pianos in this class. If you’ve played on an upright or grand before, you’ll probably appreciate the realistic resistance. It’s especially good for classical players or students trying to build finger strength and precision. That said, some people may find it fatiguing for long periods, especially if they’re more accustomed to synth or semi-weighted keyboards.

There’s also a slight mechanical noise when playing the keys, particularly at lower volumes. This doesn’t affect the action’s feel or performance, but it’s something to consider if you play in very quiet spaces or use headphones a lot. Compared to Roland’s action, the PX-870 is a bit louder in terms of key movement noise.

From a responsiveness standpoint, the Tri-Sensor Scaled Hammer Action is excellent. It captures subtle differences in velocity, allows for nuanced dynamic control, and supports techniques like legato, staccato, and even subtle finger detachment when lifting off a key. While it may not feel quite like a high-end grand piano, it comes impressively close for a sub-$1,200 instrument.

Roland FP-30X: PHA-4 Standard Action

Roland’s PHA-4 Standard action is widely praised, and for good reason. It’s used across many of Roland’s entry-to-mid-level digital pianos and brings a high degree of realism, especially when it comes to responsiveness and repetition.

Like the Casio, the PHA-4 is fully weighted and graded. The keys get heavier in the lower octaves and lighter in the higher ones. But Roland includes escapement simulation—a small tactile notch you feel when pressing keys slowly—that mimics the mechanism of grand piano hammers disengaging. This is a subtle detail, but it adds an extra layer of realism that classical pianists often appreciate.

The action is slightly lighter and faster than Casio’s. That’s not necessarily a pro or con—it just depends on your style. If you play jazz, pop, or do a lot of fast passagework, you might find the Roland more fluid and effortless to play. It feels very balanced under the fingers and responds well to both aggressive and delicate playing.

Like Casio, Roland gives the keys a textured surface—their proprietary “Ivory Feel” finish—which also provides grip and a more premium feel. While not quite as grippy as Casio’s texture, it’s comfortable and a definite step up from the slick plastic keys found on cheaper models.

One major plus with the PHA-4 Standard is how quiet it is. Mechanically, the keys produce less noise when pressed and released, which can make a big difference in shared living spaces or late-night practice sessions with headphones. This quiet action doesn’t compromise on realism—it’s just more refined in terms of physical design and acoustics.

The velocity sensitivity on the FP-30X is excellent. It captures fine gradations of touch, from pianissimo to fortissimo, and translates them into musical expression convincingly. Roland’s SuperNATURAL sound engine helps here too, but we’ll save that discussion for the sound section.

The PHA-4 also handles repeated notes very well. While it doesn’t have triple sensors like Casio’s system, Roland’s algorithm does a great job of mimicking fast key repetitions. Whether you’re playing repeated octaves, grace notes, or rapid-fire riffs, the response is clean and accurate.

From a technical perspective, Roland’s action uses a dual-sensor system, but thanks to the company’s experience with digital pianos and advanced firmware, it doesn’t fall short in real-world usage. If you didn’t read the spec sheet, you’d probably never know it lacks a third sensor.

Side-by-Side Comparison

Let’s get more granular and compare the two actions on a few key criteria:

Weight & Resistance

• PX-870: Heavier, more acoustic-like resistance. Best for players focused on classical technique or realism.
• FP-30X: Lighter, faster, and easier on the fingers during long sessions. Great for modern styles or younger players.

Key Surface & Feel

• PX-870: Deeper texture and excellent grip; feels closer to acoustic ebony/ivory.
• FP-30X: Slightly smoother but still textured; very comfortable.

Repetition & Responsiveness

• PX-870: Triple sensors help with fast repetition, especially in classical runs.
• FP-30X: Fewer sensors, but incredibly responsive and fluid in fast passages.

Noise & Quietness

• PX-870: More mechanical key noise, especially noticeable in quiet rooms.
• FP-30X: Very quiet and refined key movement; ideal for silent practice.

Realism

• PX-870: Wins on realism due to weight, scale, and tactile feedback.
• FP-30X: Slightly behind in acoustic mimicry, but feels more agile and musical in many settings.

Suitability by Player Type

• PX-870: Better suited for classical players, students learning formal technique, or anyone aiming to transition to an acoustic piano.
• FP-30X: Better for gigging musicians, casual players, or those who play varied genres like jazz, pop, or worship music.

Conclusion

Both key actions are excellent—easily among the best in their price range. The Casio PX-870 offers a heavier, more authentic acoustic-like feel with three-sensor precision, textured keys, and a resistance curve that encourages proper finger development. It’s a deliberate action that rewards control and power.

The Roland FP-30X, on the other hand, brings an incredibly playable, balanced, and smooth action that excels in speed and subtlety. It’s a joy to play, especially if you’re performing a wide range of musical styles. The escapement simulation and quiet mechanics give it an edge in modern usability.

If you’re focused on serious piano study or want the most realistic feel at home, the Casio PX-870 is your pick. But if you want a fluid, versatile, and modern action that feels great across genres and works equally well on stage and in the living room, the FP-30X is hard to beat. Your hands—and your ears—won’t be disappointed with either.

Sound Quality & Tone Engine

Keyboard feel is what you notice when your fingers touch the keys—but sound is what keeps you playing. It’s what stirs emotion, drives expression, and makes the digital piano feel like a real instrument instead of a glorified MIDI controller. In this section, we’ll look at how the Casio PX-870 and Roland FP-30X handle the most critical job a digital piano has: sounding like a real piano.

Both models bring a lot to the table, especially for their price range. Casio leans into detailed acoustic modeling and grand piano realism, while Roland focuses on dynamic response and expressive tone. But the differences go deeper than that. Let’s unpack each piano’s sound engine, tone character, and sonic flexibility to see where they shine—and where they fall short.

Casio PX-870: Multi-Dimensional Morphing AiR Sound Engine

Casio’s AiR (Acoustic and Intelligent Resonator) sound engine has been around for a while, but the PX-870 features the most advanced version: the Multi-Dimensional Morphing AiR. That name may sound like marketing fluff, but it actually delivers on some very real, very audible acoustic piano behaviors.

At the core of the PX-870’s sound is a stereo sample set from a 9-foot concert grand piano. These samples are recorded at multiple dynamic layers—so instead of just “quiet” and “loud,” you get a smooth progression from pianissimo to fortissimo. There’s no noticeable volume “jump” when you play harder; instead, it morphs naturally, hence the name.

But it’s not just about volume. The AiR engine adds subtle coloration based on how fast you press the keys, how you release them, and whether you’re using the pedal. This is where Casio’s modeling steps in.

Here are some of the advanced acoustic characteristics the PX-870 simulates:

• String resonance: When you play a note, other strings vibrate sympathetically—just like on an acoustic. This adds a layer of realism and warmth to chords and sustained notes.
• Damper resonance: When the sustain pedal is pressed, all strings are allowed to ring freely, creating rich harmonic overtones. Casio’s simulation is impressively detailed here.
• Key-off simulation: When you lift your finger from the key, the sound doesn’t stop abruptly. It decays based on how quickly you released it, mimicking the dampers on a real piano.
• Lid simulator: You can virtually adjust the position of the piano lid—open, half-open, closed—and it changes the tone subtly, just like the real thing.

These elements combine to produce a tone that feels deep, immersive, and acoustic-like, especially when you’re using headphones or playing at moderate volumes. It doesn’t sound “digital” in the cheap sense—there’s an organic, breathy quality to it that encourages expressive playing.

The overall tone of the PX-870 is warm, mellow, and refined. It leans slightly toward the romantic end of the spectrum—perfect for classical, ballads, or jazz standards. It doesn’t have the bright, cutting tone you’d get from a Yamaha grand, but that’s not necessarily a bad thing. It’s more of a “sit down and get lost in it” kind of sound.

That said, the PX-870 offers 19 built-in tones, including a handful of electric pianos, organs, strings, and harpsichords. They’re usable, but clearly secondary. This piano isn’t trying to be a workstation. It’s trying to be a really good piano, and it mostly nails it.

One slight limitation: Casio’s sound customization is more rigid. While you can tweak things like lid position, resonance levels, and brilliance via function buttons or the Chordana app, it’s not as tweakable as Roland’s system. Still, for someone who just wants to turn it on and play, it’s refreshingly focused.

Roland FP-30X: SuperNATURAL Piano Engine

Roland’s SuperNATURAL piano engine is something of a legend in the digital piano world. It’s been used across their product lines—from entry-level pianos to stage instruments—and it’s easy to see why. It strikes a beautiful balance between sampling and modeling, giving you rich tone with dynamic flexibility.

The FP-30X uses a combination of multi-layer sampling and behavior modeling. That means instead of just playing back recordings of a grand piano, the system also simulates how the piano responds in real time. The result is a more “alive” feel—like the piano is reacting to you, rather than simply reproducing a preset.

Where the PX-870 leans toward depth and nuance, the FP-30X leans toward expression and vibrancy. The main piano tone is brighter, punchier, and more forward-sounding. It’s ideal for pop, gospel, rock, or any genre where the piano needs to cut through a mix.

Roland doesn’t go as deep into modeling specific components like lid position or individual damper behavior, but what it lacks in micro-level tweakability, it makes up for in playability. You can go from a whisper to a roar with just your fingers. The dynamic range is wide, and the tone responds to even the most subtle articulations.

Where Roland also wins big is tonal variety. The FP-30X comes with 56 built-in tones, including several acoustic piano variations, electric pianos (which are excellent), synth pads, strings, organs, and even some drum kits. If you like to experiment with soundscapes or perform across different genres, this flexibility is a real bonus.

Another standout: Roland’s ambience settings and brilliance adjustments let you tailor the sound to your space. Want more reverb to simulate a concert hall? Easy. Want a dryer, tighter sound for studio recording? Done. You can even control these settings through Roland’s Piano App for finer tuning.

While the FP-30X doesn’t simulate lid position or key-off behavior as deeply as the PX-870, it handles pedal resonance and string interaction well enough that most players won’t miss the difference. The sustain pedal effect in particular sounds lush and musical—perfect for expressive playing.

Now, a quick note on headphone sound: The FP-30X uses Roland’s 3D Ambience technology, which simulates the spatial depth of a real piano when you’re playing through headphones. It creates a more immersive sound field that feels less “inside your head” and more like a real acoustic presence around you.

Speaker Influence on Sound (Briefly Touched)

We’ll go deeper on speakers in the next section, but it’s worth mentioning how they influence perceived sound quality.

• The PX-870’s 40W, 4-speaker system creates a much fuller, more resonant sound at room volume. It’s especially convincing if you want to emulate the experience of playing a real upright or small grand.
• The FP-30X’s 22W stereo speakers are good but more compact. They sound fine in a small room but don’t offer the same physical presence or bass response. It sounds much better with headphones or when connected to external speakers.

So while both pianos have solid sound engines, the listening experience will depend heavily on whether you’re using built-in speakers, headphones, or external monitors.

Summary: Tone & Sound Philosophy

To recap:

• Casio PX-870 focuses on realism, depth, and classical nuance. It’s designed to give you the feel of a concert grand in a home setting. Great for solo playing, classical repertoire, and expressive nuance.
• Roland FP-30X focuses on dynamic response, punch, and flexibility. It’s built to adapt across genres and performance contexts, with more tonal variety and better out-of-the-box responsiveness.

If you’re the kind of player who wants a piano that feels alive, can handle a wide range of tones, and plays well at any velocity—Roland has your back.

If you’re the kind of player who wants to get as close as possible to the grand piano experience, with subtle modeling and acoustic authenticity—Casio delivers.

Conclusion

Ultimately, both the PX-870 and the FP-30X offer exceptional sound quality for their price. Casio puts more emphasis on traditional piano tone realism, with advanced modeling features that simulate the subtleties of a grand. Roland, by contrast, emphasizes tonal expression, dynamic control, and sound variety.

So which one sounds better? That depends on you.

• Want your digital piano to sound like a concert grand? Go Casio PX-870.
• Want it to sound like a concert grand, a Rhodes, a church organ, and a synth pad—all in one? Go Roland FP-30X.

Both get the job done. You just have to decide what kind of sound inspires you to keep playing.

Speaker System

A great sound engine is only half the story. If the speakers can’t project that sound with clarity, depth, and presence, you’re not getting the full experience. Whether you’re playing for yourself in a quiet room or entertaining a small audience, the speaker system is what brings the piano’s tone to life in the air around you.

The Casio PX-870 and Roland FP-30X both have respectable speaker setups for their class—but they approach things very differently. One is designed to be an acoustic-like centerpiece in your home. The other is designed to be lightweight, compact, and versatile. That difference shows up clearly in their speaker designs, wattage, and overall sound projection.

Let’s break it down.

Casio PX-870: Full-Range, Cabinet-Integrated Speaker System

Casio went all-in on the speaker system with the PX-870. It features a four-speaker setup, housed within its full furniture-style cabinet. Specifically, it includes:

• Two 12cm full-range speakers
• Two 4cm tweeters
• Two 20W amplifiers (totaling 40 watts of output)

The speakers are strategically placed inside the body to simulate the sound projection of a real upright piano. Instead of just blasting sound upward or downward (like many slab pianos do), the PX-870 pushes sound forward, outward, and through the front panel, creating a more immersive and resonant experience.

In a typical living room or music studio, this system fills the space effortlessly. Even at half volume, the PX-870 produces a warm, balanced tone with rich bass and sparkling highs. You don’t just hear the sound—you feel it. The low end has body and punch, which gives the left-hand octaves real authority. The midrange is smooth and organic, and the highs come through clearly without harshness.

What makes it stand out is the sound dispersion. You can sit at various positions around the piano and still hear a natural tone without significant drop-off. Whether you’re practicing solo or playing for a couple of people in the room, it gives a convincing acoustic presence.

Casio also includes a Volume Sync EQ feature. This automatically adjusts the EQ curve when you lower the volume, ensuring that the bass and treble don’t get lost. On cheaper digital pianos, turning down the volume often makes everything sound thin and flat. Not here. The PX-870 stays rich and balanced, even when played quietly.

Another thoughtful inclusion is the Headphone Mode EQ. When you plug in headphones, the speaker system turns off, and the piano automatically adjusts its output to simulate the way sound would naturally disperse from an acoustic piano into a room. It reduces the artificial, “inside your head” sensation that many digital pianos suffer from when playing with cans.

If you don’t plan on using external speakers or amps, the PX-870 is the better choice by far. You’re getting an all-in-one system that’s optimized for acoustic realism and home use. There’s no need to mess with settings or gear—just sit down and play.

Roland FP-30X: Compact, Portable Speaker Setup

The FP-30X is a portable digital piano, and its speaker system reflects that design philosophy. It’s built for flexibility and convenience, not room-shaking power. That said, Roland has done an admirable job of getting good sound out of a relatively small footprint.

The FP-30X features:

• Two 12cm speakers
• 11W x 2 stereo amplifiers (22 watts total)

The speakers are downward-firing, located underneath the keyboard. This means the sound is projected more toward your lap and the floor, which works fine in small to medium-sized rooms but can feel a bit boxed in or muted in larger spaces.

At moderate volumes, the sound is clean, punchy, and articulate. The midrange in particular is well defined, making it ideal for pop, jazz, and rhythmic playing styles where note clarity is critical. The bass is present but doesn’t carry the same weight or body as the PX-870. Highs are clear but can get a bit brittle at higher volumes.

One thing to note is that the speaker system is optimized for close-up listening. If you’re sitting right in front of it, you’ll get decent sound. But walk a few feet away or play in a more open space, and you’ll quickly notice the sound loses depth and projection. This is not a fault—it’s just a limitation of physics and size.

The FP-30X does include a few tools to help improve the sound experience:

• Brilliance control: You can adjust the tonal brightness to better suit your ears or space.
• Ambience/reverb settings: Add spatial depth to make the piano sound like it’s in a small room, concert hall, etc.
• Headphone 3D Ambience: A feature that enhances spatial realism when playing through headphones—an area where Roland excels.

If you primarily play with headphones or external monitors, the FP-30X performs extremely well. The internal sound engine (SuperNATURAL) is detailed and expressive, and the audio output via headphones or USB is excellent. In fact, many users buy the FP-30X with the intention of pairing it with studio monitors or using it in a DAW environment.

Speaker Power in Practice

Let’s put numbers aside for a second and talk about real-world use. Here’s how both pianos behave in common scenarios:

Solo practice in a small room

• Both are sufficient, but the PX-870 offers more depth and detail.
• FP-30X is fine but may sound a little flat without headphones.

Playing for others in the same room

• PX-870 can easily carry across the space without sounding forced.
• FP-30X needs higher volume or external amplification to match that presence.

Low-volume night practice

• PX-870 wins again thanks to its Volume Sync EQ—maintains tone at soft volumes.
• FP-30X loses some warmth when played very quietly.

Headphone use

• Both are great. PX-870 simulates natural room resonance.
• FP-30X’s 3D Ambience creates a convincing acoustic space.

Using with external speakers

• PX-870 has no dedicated audio outputs—you’ll need to use the headphone jack, which isn’t ideal for pro setups.
• FP-30X includes stereo ¼” line outs, making it far better for external speaker systems, mixers, or live sound.

Conclusion

In terms of built-in speaker performance, the Casio PX-870 is the clear winner. Its cabinet-integrated, 40W speaker system delivers a rich, room-filling sound that convincingly simulates an acoustic upright. It’s ideal for home practice, casual performances, and anyone who wants a no-fuss, self-contained piano experience.

The Roland FP-30X holds its own in smaller spaces, but its speakers are more limited in power and projection. It’s best used with headphones or external amplification. That’s not a knock on quality—it’s simply a different design choice. The FP-30X trades internal speaker punch for portability and connectivity flexibility, which may actually be preferable depending on your setup.

If you’re planning to leave your piano in one place and want rich, immersive sound out of the box, go Casio. If you’re building a mobile or modular setup and will be using monitors or amps anyway, the FP-30X gives you a clean slate to work from.

Features & Functions

Sound and keyboard feel may be the most important elements of a digital piano, but they’re not the full picture. What often separates a good digital piano from a great one—especially in the midrange price category—is its feature set. This includes everything from onboard recording and layering capabilities to Bluetooth support, app integration, built-in rhythms, and practice tools.

In this section, we’ll dive deep into the features and functions of the Casio PX-870 and Roland FP-30X. Both models cater to different kinds of players and offer distinctly different toolkits. One is focused on providing a self-contained, immersive practice environment, while the other leans into modern connectivity and sound flexibility.

Let’s break down the strengths and limitations of each.

Casio PX-870: Streamlined for Focused Playing

The PX-870 is all about giving you the experience of playing a real piano—not necessarily giving you dozens of features to tinker with. That means the feature set is more streamlined, but what’s included is well thought out and caters heavily to home practice and performance.

Tone Selection and Layering

The PX-870 offers 19 built-in instrument tones, which is modest compared to the FP-30X’s 56, but what’s here is curated for piano-focused players. The sounds include:

• 5 acoustic piano tones (including concert, mellow, bright)
• 4 electric pianos
• 4 string/organ/harpsichord tones
• A few pads and bass instruments

Tone switching is done via a combination of buttons and keys—there’s no display, so it takes a little memorization or reference to the manual. Still, the layering and split functions are straightforward once you get used to the layout. You can layer two tones (like piano + strings), or assign different instruments to the left and right hands using split mode.

Concert Play

One of Casio’s unique features is Concert Play. This lets you play along with high-quality orchestral recordings of classical pieces. It’s not MIDI or synthesized—it’s actual orchestral audio. You can listen, practice your part at a slower speed, or mute the piano and play along live.

This is an incredible tool for intermediate players who want to work on timing, musicality, and ensemble sensitivity. For example, you can play the piano part from Beethoven’s “Für Elise” or Pachelbel’s Canon while the orchestra backs you up.

Built-In Recorder

Casio includes a 2-track MIDI recorder, allowing you to record one part (e.g., left hand), then record the second part (e.g., right hand) while the first plays back. You can also use it to record full performances or practice sessions, and then play them back instantly.

This is great for both self-assessment and creative experimentation. Being able to record on the fly without connecting to external devices is still a valuable feature, even in the Bluetooth era.

Duet Mode

The PX-870 includes Duet Mode, which splits the keyboard into two equal pitch ranges. This is ideal for teaching—your student and teacher can sit side by side and play in the same octave range. It’s especially handy for lessons at home.

Metronome and Transpose

Basic features like a built-in metronome, transpose function, and tuning adjustment are all included. These are essential tools for practice, ensemble work, or transposing songs on the fly.

USB Connectivity

The PX-870 supports USB MIDI and USB Audio. This means you can:

• Send MIDI data to software like GarageBand, Logic Pro, or notation apps.
• Send audio directly to your DAW via USB (without needing an audio interface).

This is a huge win for people who want to record without fussing with cables, interfaces, or mics.

Limitations

• No Bluetooth. If you want to connect wirelessly to apps like Flowkey or Simply Piano, you’ll need a separate Bluetooth MIDI adapter.
• No audio input. You can’t stream music through the speakers from a phone or tablet.
• No USB stick port for loading or saving files directly from a flash drive.
• No rhythm patterns, accompaniment, or drum tracks.

The PX-870 is clearly aimed at traditional piano players who don’t need performance features or deep synth control. It’s a practice-focused machine, not a band-in-a-box.

Roland FP-30X: A Modern, Connected Digital Piano

Where Casio focuses on realism and refinement, Roland emphasizes flexibility and integration. The FP-30X comes loaded with features that appeal to modern musicians, gigging performers, and tech-savvy learners.

Tone Selection and Sound Variety

The FP-30X features 56 built-in instrument tones, which include:

• Multiple grand and upright pianos
• A full range of electric pianos (Rhodes, Wurlitzer, FM-based tones)
• Strings, choirs, pads
• Organs (jazz, pipe, rock)
• Synths, basses, and drum kits

It’s a more versatile sound palette than the PX-870 offers. If you play in a band, want to explore different genres, or enjoy mixing things up creatively, the FP-30X will give you more tools to play with.

Layering and splitting are just as easy, and you can quickly assign different instruments to the left and right hands or layer two for a fuller texture.

Bluetooth MIDI and Audio

Here’s a big win for the FP-30X: it supports both Bluetooth MIDI and Bluetooth Audio. This means:

• You can wirelessly connect to learning apps (like Flowkey, Simply Piano, Roland Piano Every Day) without cables.
• You can stream music from your phone or tablet directly to the piano’s speakers—perfect for play-alongs or background music.

Bluetooth MIDI, in particular, is a game-changer. No extra adapters needed. It just works, and the connection is stable and quick.

Roland Piano App Integration

The FP-30X integrates with Roland’s Piano Every Day app, which lets you:

• Control settings and tones
• Record your performances
• Log practice time
• Play along with sheet music or audio files

This turns your tablet into a touchscreen interface for the piano, which is incredibly convenient compared to Casio’s button/key combo method. It lowers the barrier for casual players to explore the instrument.

No Built-In Recorder (But…)

Unlike the PX-870, the FP-30X doesn’t include an internal MIDI recorder. However, you can:

• Record audio directly via USB to a DAW
• Save and playback SMF files from a USB flash drive

This makes it more appealing to players who already work in digital audio environments. You can record high-quality audio or MIDI straight into your software with minimal hassle.

Metronome, Transpose, and Other Basics

Naturally, the FP-30X includes all the usual suspects:

• Adjustable metronome
• Transpose and tuning controls
• Twin Piano mode (equivalent to Casio’s Duet Mode)

These are cleanly laid out on the control panel and easy to access—no need for deep menu diving.

USB Connectivity and Outputs

The FP-30X supports:

• USB MIDI + Audio via USB-B
• USB-A port for flash drives (load/save songs or playback files)
• ¼-inch stereo line outs for connecting to mixers, amps, or speakers

This last one is huge. The PX-870 only offers headphone jacks for external audio output, which isn’t ideal for stage or studio use. Roland gives you proper line-level outs, making it the better choice for live performance or recording setups.

Limitations

• No orchestral “Concert Play” feature like Casio.
• No multi-track onboard recorder.
• Fewer piano-specific modeling tweaks (no lid position, key-off simulation, etc.).
• Needs a separate purchase for full three-pedal setup.

Roland’s approach is all about versatility and connectivity. It doesn’t try to emulate a grand piano as deeply as Casio does, but it gives you far more tools to use the instrument in modern ways.

Side-by-Side Feature Summary

Feature	Casio PX-870	Roland FP-30X
Built-in tones	19	56
Bluetooth MIDI/Audio	No	Yes
Onboard recording	2-track MIDI	No (DAW/USB only)
USB Audio	Yes	Yes
USB Flash Drive Support	No	Yes
Line Out	No (headphone only)	Yes (¼” stereo)
Metronome/Transpose/Tuning	Yes	Yes
Split/Layer Modes	Yes	Yes
Duet/Twin Piano Mode	Yes	Yes
Pedals Included	Triple pedal unit	Single sustain pedal only
App Integration	Chordana (limited)	Roland Piano Every Day
Concert Play Orchestral Mode	Yes	No

Conclusion

If you’re looking for a straightforward digital piano that focuses on the essentials—great tone, good recording tools, immersive sound, and a classical playing environment—the Casio PX-870 is built for that.

If you’re looking for a feature-rich, tech-forward piano that fits into a modern workflow—Bluetooth, multiple sounds, USB flexibility, and mobile control—the Roland FP-30X is the one.

They serve two very different player profiles. Pick based on how much you value tradition versus versatility.

Connectivity

In the past, a digital piano was a standalone instrument—you turned it on, played a few notes, and that was it. Today, that’s no longer enough. Modern connectivity is a huge part of what makes a digital piano versatile, functional, and future-proof. Whether you’re recording in a DAW, playing along with a backing track, using piano learning apps, or just streaming music through the instrument, connectivity plays a central role.

The Casio PX-870 and the Roland FP-30X are very different in this category. The Casio leans more traditional, offering basic digital integration without overcomplicating things. The Roland is a much more modern, open-ended instrument with better connectivity across the board.

This section will break down how each piano handles MIDI, audio, Bluetooth, headphone options, app integration, output capabilities, and practical real-world use cases like teaching, gigging, and home recording.

Casio PX-870: Clean and Functional, But Limited

The PX-870 is clearly designed for a home setup, and its connectivity reflects that. You’re not going to find pro-grade I/O on the back, but it still includes the essentials to get connected to a computer or a tablet.

USB MIDI and Audio

One of the strongest points in the PX-870’s connectivity suite is its USB Type B port, which supports both MIDI and audio over a single cable. This is a big plus.

• MIDI allows the PX-870 to communicate with DAWs (like Logic Pro, FL Studio, Ableton Live) and notation software (Sibelius, MuseScore).
• Audio means you can record the actual piano sound—not just MIDI data—directly into your DAW without needing an external audio interface or mics.

This combination is extremely convenient for home studio setups, especially for players who want to record clean, high-quality piano performances into a computer without technical fuss.

Once connected via USB, you can play into your DAW in real-time and hear playback directly through the PX-870’s speakers or headphones. No drivers or complicated setups required (especially on macOS).

Dual Headphone Outputs

Casio includes two ¼” stereo headphone jacks on the front underside of the PX-870. This is a small but appreciated detail, especially in teaching or duet practice situations. Both players can plug in and play silently, and both outputs have independent volume control based on the master level.

The quality of the headphone sound is enhanced by Headphone Mode, which simulates the spatial experience of playing a real piano in a room. This avoids the “inside your head” sensation you often get when playing through headphones.

No Line Out or Audio Input

Here’s where things start to feel a bit limited. The PX-870 does not include dedicated line outputs, which means you can’t plug it directly into an amplifier, PA system, or audio interface using standard ¼” TRS cables. The only workaround is using the headphone jack as an output source, which works but isn’t ideal—it can be noisy and doesn’t offer consistent line-level output.

Also missing is an audio input, which means you can’t stream music from a phone or tablet through the PX-870’s speakers. If you want to play along with a YouTube video or a backing track, you’ll need to use external speakers or headphones connected to your phone.

No Bluetooth Connectivity

Perhaps the most noticeable omission in today’s landscape is the lack of Bluetooth MIDI or audio. If you want to connect to popular apps like Simply Piano, Flowkey, or Casio’s own Chordana app, you’ll need to use a USB cable and potentially a camera connection kit (for iOS) or an OTG adapter (for Android). It’s not hard, but it’s not as seamless as a Bluetooth pairing.

App Integration: Chordana Play

Casio’s Chordana Play app allows you to control some aspects of the PX-870 from a tablet or phone, including tone selection, Concert Play control, and MIDI song playback. But because the piano lacks Bluetooth, you’ll need to connect with a USB cable.

It’s a decent app for students or casual players, but compared to Roland’s app ecosystem, it feels more limited and less integrated.

Summary

The PX-870’s connectivity is solid for a static home environment, especially if you’re recording to a DAW or playing privately with headphones. But it’s not designed for flexible live setups, wireless connectivity, or multi-device integration.

Roland FP-30X: Fully Loaded for the Modern Player

The Roland FP-30X is designed to be as modular and connected as possible. It’s equally at home in a bedroom studio, a practice room, or on stage, and its connectivity options reflect that flexibility.

Bluetooth MIDI and Audio

This is arguably the FP-30X’s biggest advantage in the connectivity category: it supports both Bluetooth MIDI and Bluetooth Audio.

• With Bluetooth MIDI, you can wirelessly connect to your phone, tablet, or computer and use the piano as a controller for apps, DAWs, and learning tools. This is perfect for apps like Flowkey, Skoove, GarageBand, or Roland’s Piano Every Day.
• With Bluetooth Audio, you can stream music directly from your device to the FP-30X’s internal speakers. That means you can jam with Spotify tracks, backing tracks, or YouTube lessons—no cables required.

The connection process is smooth, and the signal is stable. Once paired, your devices will auto-reconnect next time. This level of wireless integration is rare in pianos at this price and makes the FP-30X a standout.

USB MIDI and Audio

Like the Casio, the Roland FP-30X supports USB MIDI and USB Audio via its USB Type B port. This allows you to:

• Record both MIDI and audio directly into your DAW
• Use the FP-30X as a controller for virtual instruments
• Record high-fidelity audio performances without external mics or audio interfaces

The sound quality of the USB audio stream is clean and stereo, with low latency. This is perfect for musicians producing music or practicing with software accompaniment.

Dual Headphone Outputs

The FP-30X also includes two headphone jacks (one ¼” and one 1/8″), located on the front edge of the keyboard. This is ideal for lessons, duets, or simply keeping one jack free for convenience. Like the PX-870, the FP-30X includes 3D Ambience headphone processing to simulate the feel of playing in a real room.

Dedicated Stereo Line Outputs

One major advantage over the PX-870 is the inclusion of ¼” stereo line outputs. These allow you to plug the FP-30X directly into:

• PA systems
• Studio monitors
• Audio interfaces
• Mixers or loopers

This makes the FP-30X far more versatile for live performance, home recording, or teaching in larger spaces. The line outputs are separate from the headphone jacks, so you don’t have to sacrifice private monitoring just to hook into an external system.

USB Flash Drive Port

The FP-30X also has a USB Type A port for connecting a flash drive. You can:

• Play back SMF (Standard MIDI Files) directly from the drive
• Save and load recordings
• Transfer songs for performance or backing

This feature is extremely useful for performers or teachers who use pre-recorded MIDI files or want to export practice sessions easily.

App Integration: Piano Every Day

Roland’s Piano Every Day app is designed to work seamlessly with the FP-30X. Via Bluetooth, the app gives you:

• Remote control of piano settings
• Daily practice logging
• Integrated song library with sheet music
• Instant recording and playback features

The interface is clean and responsive, and it makes using the FP-30X a far more dynamic experience—especially for younger players or those just getting into structured practice routines.

Summary

The FP-30X is the clear winner in terms of modern connectivity. Bluetooth MIDI and Audio, proper line outs, flash drive support, and a robust mobile app ecosystem give it a big edge over the more traditional PX-870. If you want to integrate your piano with a variety of devices, workflows, and performance situations, Roland has it nailed.

Final Thoughts

Let’s boil it down:

Casio PX-870 is best if:

• You primarily play at home and want a simple setup
• You want to record high-quality audio and MIDI to a DAW via USB
• You don’t need wireless features or external speaker integration

Roland FP-30X is best if:

• You want full wireless control and streaming
• You play gigs or record and need proper line outs
• You regularly use learning apps or integrate your piano with multiple devices
• You prefer a modular, mobile workflow

In a world where everything is becoming smarter and more connected, the FP-30X is a future-ready instrument. The PX-870, meanwhile, is a refined, purpose-built digital piano that does its job well—just don’t expect it to be your digital Swiss Army knife. Choose based on your priorities: simplicity and immersion vs. flexibility and integration.

Other Considerations

Once you’ve compared design, sound, action, features, and connectivity, you’re probably close to making a decision—but there are still a few additional factors worth considering before you click “buy.” These might not be headline features, but they affect how the instrument fits into your daily routine, home environment, and long-term musical journey.

Let’s walk through the finer points—some practical, some subtle—that might tip the scales one way or the other.

Headphone Experience

Both pianos offer strong headphone output, but they go about it a little differently.

The Casio PX-870 includes a dedicated Headphone Mode that adjusts the EQ and resonance modeling to simulate an acoustic piano in a room. Instead of getting a dry, flat sound that feels like it’s trapped inside your head, you get spatial depth and stereo width—especially helpful for long practice sessions. This mode activates automatically when headphones are plugged in, and it’s a clear strength of the PX-870.

Roland counters with its 3D Ambience technology for headphones on the FP-30X. It accomplishes the same goal: simulating the natural sound field of a grand piano. Roland’s implementation is arguably a little more immersive, with better high-end clarity and depth. If you play a lot with headphones on (especially late at night), both are excellent, but the FP-30X might have the edge in overall headphone realism.

Pedals and Expression

Out of the box, the Casio PX-870 wins here, hands down. It includes a fixed three-pedal unit built into the cabinet—damper, sostenuto, and soft—all of which support half-pedaling. This setup mimics a real acoustic piano and supports full expressive control without any additional purchases or setup.

The Roland FP-30X, however, ships with a basic footswitch-style sustain pedal that’s binary—on or off. It’s adequate for casual practice but lacks nuance. If you want proper pedal performance (including half-damper support), you’ll need to buy Roland’s KPD-70 triple pedal unit and the matching stand. This adds cost and takes away some of the FP-30X’s plug-and-play simplicity.

So, if pedal realism is high on your list and you don’t want to fuss with add-ons, the PX-870 has the clear advantage.

Portability and Setup Flexibility

This one’s straightforward. The PX-870 is not portable. Once assembled, it’s bulky, heavy (around 75 lbs), and shaped like a small upright. You’re not moving it between rooms, let alone taking it to a gig. But for a home piano, that heft translates to stability and a more traditional feel.

The FP-30X is extremely portable, at under 32 pounds. You can carry it solo, throw it in a car, and set it up in minutes. You also have flexibility: mount it on an X-stand, use it on a desk, or pair it with a dedicated stand for a more permanent setup. This makes it far more adaptable to different environments, whether you’re playing at home, teaching in different locations, or gigging.

Suitability for Different Players

For beginners, both instruments work well, but with different philosophies. The PX-870 encourages good posture, technique, and acoustic-style focus. The FP-30X offers tech-savvy tools and sound variety, which might keep casual learners more engaged.

For intermediate to advanced players, the decision becomes clearer. Classical and solo piano players will appreciate the PX-870’s heavier action and acoustic realism. Players who perform, compose, or experiment across genres will benefit from the FP-30X’s connectivity, tone library, and portability.

Aesthetics and Home Integration

Last but not least: how does it look in your home?

The PX-870, with its furniture-style cabinet, blends seamlessly into living rooms, music studios, or dedicated practice spaces. It looks like an instrument, not a piece of gear. The Roland FP-30X, while sleek and minimal, looks more like a keyboard—and if it’s not mounted on a proper stand, it may not feel like a serious, central musical fixture.

If aesthetics matter to you (or your family), this might be a bigger deal than you expect.

Final Word on “Other Stuff”

These “small” factors often end up being dealbreakers or tiebreakers. Do you want something that’s ready out of the box, no extras needed? Go Casio. Need flexibility and room to grow with tech? Go Roland. How you use your piano day to day—whether you’re squeezing it into a tight space, playing late at night, teaching students, or recording with a laptop—should guide your final choice.

Conclusion

At the end of the day, both the Casio PX-870 and the Roland FP-30X are outstanding digital pianos within their price range—but they’re built for different kinds of players with different priorities. The choice between them isn’t about which is “better” in a vacuum, but which is a better fit for you.

The Casio PX-870 is the clear winner if you’re looking for an authentic home piano experience. Its cabinet-style design, heavier key action, and immersive 40W speaker system make it feel more like a traditional upright piano. It’s the kind of instrument that encourages focused practice and disciplined play. If you’re a classical pianist, a serious beginner, or someone who values realism over versatility, the PX-870 gives you a rich, complete experience straight out of the box—no accessories or upgrades needed.

The Roland FP-30X, on the other hand, is built with modern life in mind. It’s compact, portable, and much more flexible. With Bluetooth MIDI and audio, proper line outputs, and a wider range of tones, it’s ideal for players who gig, record, or want to integrate with apps and digital tools. Its lighter key action and advanced connectivity make it a great choice for contemporary styles, casual learners, or multi-instrumentalists who want one piano that can do a bit of everything.

So:

• If you want a beautiful, piano-like centerpiece for your home, get the Casio PX-870.
• If you need a versatile, future-proof tool that plays well across genres and platforms, get the Roland FP-30X.

There’s no wrong answer—just the one that fits how and where you play. Pick the piano that supports your goals, and you’ll be set for years of rewarding music-making.