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.

Specs

• Keyboard Keyboard type: 61 keys (velocity sensitive) Keyboard Modes: Whole, Split, Dual
• Display type 132 x 64 dots, Graphic monochrome LCD (with backlit)
• 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.
• Options (sold separately) USB flash memory (M-UF-series) Wireless USB Adaptor (WNA1100-RL) Pedal Switch: DP-series Footswitch: BOSS FS-5U
• Size and Weight (excludeing AC adaptor and music rest) Width 1044 mm 41-1/8 inches Depth 317 mm 12-1/2 inches Height 129 mm 5-1/8 inches Weight 7.5 kg