Roland BK-3 61-Key Backing Keyboard (Black)
| Keyboard | 61 Full-Size Keys with Synth Action |
| Touch Sensitivity | 3 Levels of Sensitivity, Plus Fixed |
| Number of Sounds, Kits, or Samples | 851x Factory Sound Preset 53x Factory Drum Kit |
| Maximum Polyphony | 128 Voice |
| Built-In Effects | Chorus, EQ, Reverb |
| Performance Functions | Dual Zone, Split/Layer, Transpose, Tuning Adjustment |
| Built-In Speaker | Yes |
| Audio I/O | 1x 1/4" TRS Headphone Output |
| Pedal Support | 1x 1/4" Expression 1x 1/4" Sustain |
| USB I/O | 1x USB-A (External Memory) 1x USB-B (Host Connection, MIDI) |
| Included Accessories | Music Rest |
| Keyboard | 61 Full-Size Keys with Synth Action |
| Touch Sensitivity | 3 Levels of Sensitivity, Plus Fixed |
| Aftertouch | No Aftertouch Support |
| Expression Controls | 1x Pitch/Modulation |
| Display | Monochrome LCD (Backlit) |
| Number of Sounds, Kits, or Samples | 851x Factory Sound Preset 53x Factory Drum Kit |
| Number of Song Presets | 500x Factory |
| Maximum Polyphony | 128 Voice |
| Multitimbrality | 2-Part |
| Built-In Effects | Chorus, EQ, Reverb |
| Performance Functions | Dual Zone, Split/Layer, Transpose, Tuning Adjustment |
| Built-In Speaker | Yes |
| Amplifiers | 2x 7.5 W |
| Number of Rhythm Presets | 250x Factory |
| Types | One Touch |
| Practice Features | Metronome |
| Supported MIDI Standards | GM2, GS, XGlite |
| MIDI File Formats | SMF 0 / SMF 1 (Playback) |
| Audio Recording Formats | WAV: 44.1 kHz / 16-Bit |
| Audio I/O | 1x 1/4" TRS Headphone Output |
| Pedal Support | 1x 1/4" Expression 1x 1/4" Sustain |
| MIDI I/O | 1x DIN 5-Pin Input 1x DIN 5-Pin Output |
| USB I/O | 1x USB-A (External Memory) 1x USB-B (Host Connection, MIDI) |
| Media/Memory Card Slot | No |
| OS Compatibility | iOS Only |
| OS Compatibility | iPadOS |
| Included Software | No |
| Mobile App Compatible | Yes: iOS Only App Name: Roland Wireless Connect |
| AC/DC Power Adapter | Included |
| Color | Black |
| Included Accessories | Music Rest |
| Dimensions | 41.1 x 12.5 x 5.1" / 104.4 x 31.7 x 12.9 cm (without Music Rest) |
| Weight | 16.5 lb / 7.5 kg |
