Backing Band Arranger Module  -  USA Authorized Dealer!The Roland BK-7m Backing Module is a high performance, portable arranger, that gives solo artist and musicians full backing tracks, complete with complex arrangements and various styles. Musicians have access to hundreds of professional styles, tones and rhythms - all quickly accessible with the touch of a button. Load your own SMF files via USB and play your very own custom arrangements as backing tracks. The BK-7m will even record performances as WAVs to a connected storage device. Additional features include a bright LED display and a composite video output that displays lyrics in Karaoke applications.Key FeaturesPortable backing module compatible with MIDI-capable pianos, keyboards, accordions, organs1,000-plus tones, 57 drum kits, 128-voice polyphonyOver 400 high-quality music styles, each with four one-touch settingsOver 900 Music Assistants covering every musical genreSMF and audio file playback via onboard USB connectorAudio recording in WAV format directly to connected USB storage deviceCover function for SMFs and Music StylesComposite Video Out to display Lyrics and/or Chord Symbols on external displayTechnical Specifications[Display Type]
Display
128 x 64 dots, graphic LCD   
[Sound Generator (Conforms to GM2/GS/XGlite)]
Max. Polyphony
128 voices  
Sounds
1,092 tones, 57 Drum Sets   
Multitimbral Parts
real-time parts (UP1, UP2, LWR, MBS) + 16 Song parts     
Master Tuning
415.3 Hz to 466.2 Hz   
Key Control (Transpose)
–6 to +5 in semitones (for audio/MIDI data     
Tempo Change
Quarter Note = 20 to 250 for SMF and Music Styles, 75 to 125 % for mp3 and WAV files        
Part Mute Functions
TRACK MUTE: Music Styles, SMF, CENTER CANCEL: mp3, WAV, AUDIO INPUT signals    
[Effects]
Real-Time Parts (UP1, UP2, LWR, MBS)
reverb: 12 types, chorus: 6 types, MFX: 84 types, parametric EQ: 6 presets + 1 User, multi-band compressor: 6 presets + 1 user     
Music Style/SMF Section
reverb: 8 types, chorus: 8 types, MFX A, B, C: 84 types each, parametric EQ: 6 presets + 1 user, multi-band compressor: 6 presets + 1 user   
[Music Style Section]
Music Styles
433 in 10 Rhythm families     
One Touch Memories
4 per Music Style 
Style Cover
30 presets  
Style Makeup Tools
Instrument-oriented editing   
[Songs]
Real-Time Player
SMF (Format 0/1), KAR, mp3, WAV        
Song Chord Extractor
Automatic chord detection for SMF files  
SMF Makeup Tools
Instrument-oriented editing   
SMF Cover
30 presets  
[Performance Memories]
Performance Lists
Unlimited number (storage on USB memory), 954 Music Assistant (Internal on BK-7m)  
Performance Memories per List
Max. 999   
Finder
Quick location of Performance memories        
Demo
Yes   
Recording
USB recorder
Records audio files (WAV, 44.1 kHz/16-bit linear format)   
Video
Lyrics
SMF and mp3/WAV      
[Panel Controls]
Knobs
VOLUME, AUDIO IN, BALANCE       
Rotary Encoder
Data dial with push switching function     
[Connectors]
Headphone Jack
Stereo 1/4 inch phone type   
Audio Inputs
INPUT L/MONO, R jack: 1/4 inch phone type   
USB Connectors
USB Host (data storage), COMPUTER (reception and transmission of MIDI data)    
MIDI IN/OUT Connectors
MIDI IN, MIDI OUT (V-LINK function)     
Video Output Jack
Composite (PAL or NTSC, selectable)      
Audio Outputs
OUTPUT L/MONO, R jacks: 1/4 inch phone type       
Pedal and Footswitch Jacks
SWITCH/EXPRESSION jack (programmable), FC-7 jack (programmable)      
[Other]
Power Supply
9 V DC, supplied AC adaptor  
Current Draw
900 mA      
Included Accessories
Owner’s Manual, AC adaptor, 4 screws (M5 x 12)     
Options
USB Flash Memory: Roland M-UF-series, Amplifiers: Roland KC-series, Stand: Roland PDS-10, SS-PC1, Pedals: Roland FC-7 Foot Controller, Roland DP-series/BOSS FS-5U footswitch, Roland EV-series expression pedal  
Size and Weight
Width: 303 mm, 11-15/16 inches
Depth: 194 mm, 7-11/16 inches
Height: 101 mm, 4 inches
Weight: 1.7 kg, 3 lbs. 12 oz.