Casio AP-270 vs AP-470: Full Comparison

Casio AP-270 vs. Celviano AP-470: Which Home Digital Piano Should You Buy?

If you've been shopping for a digital piano, chances are Casio's Celviano line has landed on your shortlist. It's one of the most popular ranges for home players who want a real, furniture-style piano rather than a portable keyboard on a stand — and two models that get compared constantly are the entry-level AP-270 and the step-up AP-470.

On paper they look similar: both are 88-key instruments with Casio's respected Tri-Sensor hammer-action keyboard and the AiR sound engine. But once you sit down and play them side by side, the differences start to matter — especially if you plan to keep the piano for years or eventually play in front of other people. Here's a full breakdown to help you decide which one is worth your money.

Quick Comparison

Feature	Casio AP-270	Casio Celviano AP-470
Keyboard action	Tri-Sensor Scaled Hammer Action II, 88 keys	Tri-Sensor Scaled Hammer Action II, 88 keys
Sound engine	AiR Sound Source	AiR Sound Source (more advanced string resonance)
Polyphony	192 notes	256 notes
Onboard tones	19	22
Speakers / amp	2 speakers, roughly 16W total	4 speakers, 40W (20W + 20W)
Concert Play (play-along orchestra)	No	Yes,
Effects	Reverb, Chorus	Reverb, Chorus, Brilliance, Hall Simulator
Recorder	2-track MIDI recorder	2-track MIDI + USB audio recorder
Cabinet style	Compact, slab-style cabinet	Larger, traditional furniture-style cabinet
Weight	Lighter, more compact footprint	Heavier, more substantial build
Typical price bracket	Entry-level Celviano	Mid-range Celviano

Keyboard Feel: Actually the Same

Here's the thing that surprises a lot of shoppers: both pianos use the exact same Tri-Sensor Scaled Hammer Action II keybed. That means the weighting, the simulated ebony-and-ivory key texture, and the way the keys respond to fast repeated notes or trills will feel identical whether you're on the AP-270 or the AP-470. Casio uses this action across a huge chunk of its lineup, and it's genuinely good for the price point — nicely weighted, if a little "plasticky" to the touch compared to premium hybrid actions on Casio's higher-end models.

So if touch and feel are your only concern, you don't need to spend more to get a better keyboard. The upgrade with the AP-470 lives elsewhere.

Sound Engine and Polyphony

Both pianos run on Casio's AiR (Acoustic and intelligent Resonator) sound source, sampled from real grand pianos with damper resonance modeled in. But the AP-470 pushes it further with more advanced sympathetic string resonance, capturing the way undamped strings vibrate in sympathy with the notes you're playing — a detail that adds richness, especially when you're using the sustain pedal on louder, more expressive passages.

The polyphony gap is also meaningful: 192 notes on the AP-270 versus 256 on the AP-470. In practice, this rarely matters for simple pieces, but if you play with the sustain pedal held down through dense classical passages, layered tones, or use the recorder to build multi-part performances, the AP-470 is less likely to run out of "voices" and cut notes off.

The AP-470 also adds a few more onboard tones (22 versus 19) and an extra Hall Simulator and Brilliance effect for shaping the tone further.

Sound System: The Biggest Real-World Difference

This is where the two pianos genuinely diverge. The AP-270 ships with just two speakers and a fairly modest amplifier — around 16 watts total, firing downward under the piano. It's fine for a bedroom or a quiet practice space, but it can sound a little thin and struggle to fill a larger living room, especially at higher volumes.

The AP-470 steps up to four speakers and a 40-watt amplifier (20W + 20W). That extra power and speaker count translate into a noticeably fuller, more room-filling sound straight out of the cabinet — no headphones required. If you plan to play for family gatherings, host lessons, or just want the piano to sound as good unplugged as it does with headphones on, this alone can justify the price difference.

Extra Features Worth Knowing About

The AP-470 includes Concert Play, a feature that lets you perform along with a full pre-recorded orchestral accompaniment across ten classical pieces, with the piano part optionally muted so you can play it yourself. It's a genuinely fun practice and motivation tool that the AP-270 doesn't offer.

Both models include:

• Split and Layer modes for combining or dividing tones across the keyboard
• Duet Mode, which splits the keyboard into two equal ranges for teacher-student play
• Two headphone jacks for silent practice
• A 60-song built-in music library with room to add your own
• Class-compliant USB connection to the free Casio Music Space app for iOS/Android

Design and Cabinet

The AP-270 has a more compact, understated cabinet — a good fit for smaller rooms or apartments where floor space is tight. The AP-470 has a noticeably larger, more traditional furniture-style cabinet with a heftier build (around 96 lbs versus a lighter AP-270), which gives it more of a "real piano in the living room" presence, but it also needs more space and is harder to move once it's in place.

Price and Value

The AP-270 typically sits at the entry point of the Celviano range, while the AP-470 usually costs several hundred dollars more. That gap buys you the better speaker system, higher polyphony, Concert Play, and a couple of extra tones and effects — the keyboard action itself doesn't change.

Which One Should You Buy?

Go with the AP-270 if:

• You're a beginner or buying for a child just starting lessons
• You'll practice mostly with headphones anyway
• Budget and space are tight
• You want the authentic Celviano touch without paying for extras you won't use yet

Go with the AP-470 if:

• You want the piano to actually fill a room when played unplugged
• You play more advanced, pedal-heavy repertoire where polyphony matters
• You want Concert Play and a slightly richer tonal palette
• You see this as a long-term instrument you won't want to upgrade from in a year or two

The Bottom Line

Both pianos give you the same excellent Tri-Sensor keyboard action that makes the Celviano line so popular for home players — so nobody is getting shortchanged on feel. The real decision comes down to sound output and headroom: the AP-270 is a fantastic, honest entry-level instrument for quiet practice, while the AP-470 is built for players who want their piano to sound as full and present in the room as it does through headphones, with a bit more musical firepower to grow into.

Whichever one fits your space, budget, and stage of learning, both instruments carry Casio's reputation for reliable, authentic-feeling digital pianos that will serve players well for years.