Perfect for solo entertainers and home hobbyists alike, the BK-3 Backing Keyboard brings a new level of performance to entry-level auto-accompaniment instruments. Featuring a wide range of quality onboard sounds and rhythms, song playback via USB memory, built-in speakers, and more, this portable, self-contained keyboard puts the power of a full ensemble under your fingertips. From one-person shows to social gatherings to personal practice, the BK-3 brings endless hours enjoyment for playing all musical styles.

FEATURES
Portable, self-contained keyboard with built-in sound system
High-quality sounds, rhythms, and Music Assistants
Comfortable, intuitive user interface
Compatible with music rhythms from Roland’s BK, E, G, and VA series
Play a variety of backing formats (SMF, MP3, WAV, and rhythms) and record performances with optional USB memory
Roland Wireless Connect capability for cable-free communication with iPhone and iPad; free iOS apps available for music sharing, lyrics display, and more.
Keyboard type: 61 keys (velocity sensitive)Keyboard Modes: Whole, Split,
DualDisplay type132 x 64 dots, Graphic monochrome LCD (with backlit)
 
SPECS
SOUND GENERATOR
Max. Polyphony: 128 voices (GM2/GS/XGlite compatible)
Sounds: 851 tones; 53 Drum Sets
Multitimbral parts: 2 keyboard parts (UPP, LWR) + 16 song parts
Master Tuning: 415.3 to 466.2 Hz
Key Control (Transpose): –6 to +5 in semitones (for audio/MIDI data)
Tempo change: 20 to 250 BPM for SMF and rhythms 75 to 125 % for mp3 and WAV files
 
EFFECTS
Real-Time parts (UPP, LWR): Reverb and Chorus: depending on Rhythm/SMF Reverb Chorus Macro 1 Mfx (84 Mfx Editable Macro) (selectable via Tone Part Mfx) EQ
Rhythms/SMF section: Reverb: 8 types
                                                Chorus: 8 types
                                                2 Mfx (84 Mfx Editable Macro) EQ.
BACKING SECTION
Rhythms: 250 in 5 “Rhythm” families (localized rhythms for specific areas are included in the WORLD 1 and WORLD 2 families)
Real-time player: Rhythms (STL), SMF (Format 0/1), KAR, mp3, WAV
Key Control: –6 to +5 in semitones (for rhythm, SMF, mp3/wav)
Tempo Change: 20 to 250 BPM for SMF and rhythms
Time Stretch:  75 to 125 % for mp3 and WAV
One-Touch memories: 4 suitable tones for each rhythm (Programmable)
Rhythm and SMF Makeup Tools: Instrument-oriented editing
Track Mute: for Rhythms/SMF
Center Cancel: for mp3/WAV
AUDIO RECORDING
Media: USB Flash memory.
Save format: Audio files: WAV (44.1 kHz, 16-bit linear)
METRONOME
Time Signature: 1 to 32/16, 1 to 32/8, 1 to 32/4, 1 to 32/2
Mode: Always, Play
Count In: Off, 1 bar, 2 bar
PERFORMANCE MEMORIES
Performance Lists: Unlimited number (storage on USB memory), Over 500 “Music Assistant” memories (internal memory), 5 “Factory Song” memories (internal memory)
Performance memories per List: Max. 999
OTHER
Search function: Quick location of Rhythms and Songs on the connected USB memory
Demo: Yes
Lyrics on Internal Display: SMF, mp3/WAV
Panel Controls: Volume Knob, Balance (Backing/Keyboard) Buttons
Connectors:
Phone/Output Jack: 1/4” phone type (TRS connector)
USB COMPUTER port (Type B, reception and transmission of MIDI data)
USB MEMORY port (Type A, data storage devices)
MIDI IN, MIDI OUT (Visual Control function)
Foot Pedal jack: PEDAL HOLD/SWITCH (assignable)
Speakers: 2 x 10 cm
Rated power output: 2 x 7.5 W
Power supply: AC adaptor
Power consumption: 1,200 mA
Auto-Off function: Off, 10 min, 30 min, 240 min.
Accessories: Owner’s Manual, AC adaptor power cord (for connecting the AC adaptor), Music rest.
Weight: 7.5kg