Casio Celviano AP-550
| Keyboard | 88 Full-Size Keys with Hammer Action |
| Touch Sensitivity | 5 Levels of Sensitivity |
| Number of Sounds, Kits, or Samples | 26x Sound Preset |
| Maximum Polyphony | 256 Voice |
| Built-In Effects | Ambience, Brilliance, Chorus, Damper Resonance, DSP, Key-Off Resonance, Reverb, String Resonance |
| Performance Functions | Duet Mode, Octave Shift, Split/Layer, Transpose, Tuning Adjustment |
| Built-In Speaker | Yes |
| Audio I/O | 1/4" |
| Pedal Support | 3x Integrated Soft/Sostenuto/Sustain |
| USB I/O | 1x USB-A (External Memory) 1x USB-B (Host Connection) |
| Included Accessories | 3-Pedal Unit (Damper, Sostenuto, Soft), Music Rest, Power Cord |
| Item Type | Digital Piano (Console-Style) |
| Keyboard | 88 Full-Size Keys with Hammer Action |
| Touch Sensitivity | 5 Levels of Sensitivity |
| Aftertouch | No Aftertouch Support |
| Expression Controls | No |
| Display | LED |
| Number of Sounds, Kits, or Samples | 26x Sound Preset |
| Number of Song Presets | 60x Factory 2x Demo 10x User (with Built-In Memory) |
| Maximum Polyphony | 256 Voice |
| Internal Memory | Songs: 3.2 MB |
| Built-In Effects | Ambience, Brilliance, Chorus, Damper Resonance, DSP, Key-Off Resonance, Reverb, String Resonance |
| Performance Functions | Duet Mode, Octave Shift, Split/Layer, Transpose, Tuning Adjustment |
| Built-In Speaker | Yes |
| Amplifiers | 2x 20 W |
| Practice Features | Metronome, Play-Along/Backing Tracks |
| MIDI Note Memory | 30,000 Notes Total |
| Number of Recorder Tracks | 2x Audio |
| Audio Recording Formats | WAV |
| Media/Memory Card Slot | No |
| Audio I/O | 2x 1/4" Output |
| Pedal Support | 3x Integrated Soft/Sostenuto/Sustain |
| MIDI I/O | No |
| USB I/O | 1x USB-A (Class-Compliant , External Memory) 1x USB-B (Host Connection) |
| Bluetooth | Yes (Audio, MIDI) |
| OS Compatibility | Windows / macOS |
| AC/DC Power Adapter | Included |
| Power Consumption | 20 W |
| Color | Black |
| Included Accessories | 3-Pedal Unit (Damper, Sostenuto, Soft), Music Rest, Power Cord |
| Dimensions | 55.2 x 35.1 x 17.3" / 140.1 x 89.1 x 44 cm (without Music Rest) |
| Weight | 109.1 lb / 49.5 kg |
| Package Weight | 154.32 lb |
| Box Dimensions (LxWxH) | 59.25 x 22.5 x 21.75" |
