1st Note

Casio

Casio GP-310 Review

A Bechstein-tuned grand piano action in a digital body

MSRP

$3,300

Source: Spec page (2026-04-07)

88 Keys 78.5 kg natural grand hammer action Bluetooth Advanced

Scores

10.0 8.5 1.5 9.8 6.6 Beginner Night Practice Portability Touch Reality Value

Beginner

10.0

Night Practice

8.5

Portability

1.5

Touch Reality

9.8

Value

6.6
How These Scores Were Calculated

Beginner

10.0
Factor This Piano Points
Base Score 3.0
Lesson Function Yes +1.5
App Connectivity Yes +1.5
Recording Yes +1
Metronome Yes +0.5
Transpose Yes +0.3
Layer / Split Yes +0.3
Preset Songs 60 +1.5
Sound Variety 35 sounds +0.5

Night Practice

8.5
Factor This Piano Points
Base Score 2.0
Headphone Jacks 2 +2
Headphone Type 6.3mm, 3.5mm +1.5
Headphone Optimization Yes +1.5
Key Action Quietness natural grand hammer action +0
Volume Control Yes +1
Bluetooth Audio Yes +0.5

Portability

1.5
Factor This Piano Points
Base Score 5.0
Weight 78.5 kg -3
Width 1434 mm -0.5
Battery No +0
Foldable No +0
Key Count 88 keys +0

Touch Reality

9.8
Factor This Piano Points
Key Action Quality natural grand hammer action (grade 10) +6
Key Count 88 keys +1.5
Polyphony 256 notes +1.5
Sound Modeling AiR Grand Sound Source +0.5
Key Surface wood +0.3

Our Verdict

The GP-310 is Casio's flagship hybrid — developed with C. Bechstein, one of Europe's most prestigious piano makers. Real wooden keys, a genuine hammer mechanism, 100W of speaker power through six drivers, and tone-shaping supervised by Bechstein's master technicians.

Pros

  • Natural Grand Hammer Action — real wooden keys with an actual hammer mechanism, developed with C. Bechstein
  • Three concert grand piano voices personally supervised by Bechstein engineers (Berlin Grand, Hamburg Grand, Vienna Grand)
  • 100W speaker system with 6 drivers — fills a room without external amplification
  • 256-note polyphony handles the most demanding Romantic repertoire
  • Headphone optimization with spatial simulation — practice at night with concert-hall immersion
  • Bluetooth Audio + MIDI — stream music through the speakers or connect to apps wirelessly

Cons

  • 78.5 kg — this is furniture, not something you'll ever move casually
  • Only 35 sounds — this is a serious piano instrument, not a multi-purpose keyboard
  • No line out — not designed for stage use or external amplification
  • $3,300 puts it in competition with Yamaha CLP and Roland HP flagships
  • Large footprint at 1434mm wide × 489mm deep — needs dedicated floor space

The GP-310 is for people who care about how a piano feels more than anything else. The Bechstein-partnered wooden hammer action is genuinely in a different league from plastic-key digital pianos — even expensive ones. The 100W six-speaker system fills a living room with rich, natural sound. The trade-off is clear: at $3,300, you could get a Yamaha CLP-785 or Roland HP-704 with more sounds and features. But neither of those has real wooden hammers. If authentic touch is your non-negotiable requirement, and you have the space and budget, the GP-310 delivers something no other digital piano at this price can match.

Technical Deep Dive

About the Key Action

This is not a simulated piano feel — it's an actual wooden hammer mechanism. Each key is made of real wood, and when you press it, a physical hammer moves, just like inside an acoustic grand. The weight, the resistance, the subtle 'let-off' click near the bottom of the keystroke — it's all there. The difference between this and even the best plastic-action digital pianos is immediately obvious to any experienced player. Casio developed this action in partnership with C. Bechstein, and the result is the most authentic key feel in any Casio instrument, period.

Who Is This Piano For?

You played piano seriously at some point in your life — maybe for years — and you want an instrument at home that actually feels like the grands you remember. You've tried other digital pianos and the plastic keys left you cold. Or you're buying for an advanced student who needs a touch that will translate to acoustic pianos at recitals and exams. The Bechstein partnership isn't marketing — the wooden keys and hammer mechanism create a fundamentally different playing experience from any plastic-action digital piano.

Specifications

Keys 88
Key Action Natural Grand Hammer Action
Polyphony 256 notes
Sounds 35
Weight 78.5 kg
Speakers 100W (×6)
Bluetooth Audio + MIDI

Recommended Accessories

🪑

Stand

Stand included

A sturdy X-stand or furniture-style stand is essential if one isn't included.

🎧

Headphones

Closed-back headphones with good bass response make practice sessions more enjoyable.

🎹

Sustain Pedal

The included pedal is usually basic. A half-damper pedal upgrade is worthwhile for expressive playing.

💺

Bench

An adjustable-height bench helps maintain proper posture during long practice sessions.

Where to Buy

Casio GP-310 $3,300

How It Compares

GP-310 vs CLP-745

The GP-310 and CLP-745 score very similarly across all axes. The CLP-745 costs $500 less.

Yamaha CLP-745 →

GP-310 vs CLP-845

The GP-310 and CLP-845 score very similarly across all axes. The CLP-845 costs $300 less.

Yamaha CLP-845 →

GP-310 vs CA-501

The GP-310 scores higher in Touch Reality. The CA-501 costs $100 less. Choose the GP-310 if you prioritize realistic touch.

Kawai CA-501 →

Frequently Asked Questions

Is the Casio GP-310 good for beginners?

Yes. The Casio GP-310 scores 10/10 on our Beginner scale, which means it has strong learning features like lesson modes, app connectivity, and built-in songs to help new players get started.

Does the Casio GP-310 have Bluetooth?

Yes, the Casio GP-310 supports both Bluetooth MIDI and Bluetooth Audio, so you can connect wirelessly to apps and stream audio.

How heavy is the Casio GP-310?

The Casio GP-310 weighs 78.5 kg (173 lbs). It scores 1.5/10 on our Portability scale. This is a stay-in-place instrument — plan its location before setup.

Can I use headphones with the Casio GP-310?

Yes. The Casio GP-310 has 2 headphone jacks (6.3mm, 3.5mm). It scores 8.5/10 on our Night Practice scale. It also features headphone sound optimization for a more immersive experience.

How many keys does the Casio GP-310 have?

The Casio GP-310 has a full 88-key keyboard, the same as an acoustic piano. This gives you the complete range for any piece of music.

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