The Casio GP-310 digital piano combines the tradition of acoustic pianos with advanced digital technology, providing an authentic musical experience.

Keyboard: Key Action: Natural Grand Hammer Action for a realistic playing feel. Touch Sensitivity: 5 levels of sensitivity. Number of Keys: 88. Key Finish: White keys in acrylic, black keys in phenol.

Sounds: Number of Built-In Tones: 26. Sound Module: AiR Grand Sound Source. Polyphony: 256. Duet Mode: Yes.

Acoustic Simulation: Key Action Sound: 10 levels, can be turned off. Damper Sound: 10 levels, can be turned off. String Resonance: 10 levels, can be turned off. Damper Resonance: 10 levels, can be turned off.

Effects: Chorus: 4 types. Reverb: 12 types x 4 positions.

Songs: Number of Songs: 60. User Songs: 10.

Ports: USB TO DEVICE: Yes. USB TO HOST: Yes. Headphone/Amplification Output: Stereo standard jack x 2.

Additional Features: MIDI Recorder: 1 song, 2 tracks. Tuning: A4 = 415.5Hz – 440.0Hz – 465.9Hz. Transpose: 2 octaves (-12 semitones ~ 0 ~ +12 semitones). Pedals: 3 (damper, soft, sostenuto). Octave Shift: Yes.

Others: Included Accessories: Music stand, AC Adapter. Opening Top Lid: Yes. Display: Full-dot LCD with backlight. Amplifiers: 30 W x 2 + 20 W x 2. Speakers: 16 cm x 2 + (10 cm + 5 cm) x 2. Dimensions: 1434 × 489 × 963 mm. Weight: 78.5 kg.

The GP-310 offers exceptional sound and functionality, making it an ideal choice for musicians who value both sound quality and realistic playing experience​