GB4 Session Trainer
The GB4 is a professional performance band that allows you to learn what you want, whenever and wherever you want to. Just choose the part you want to perform (lead, rhythm, bass) and the GB4 does the rest, allowing you to jam along with hundreds of popular songs in any key, at any tempo, while the GB4 displays the chords on its large LCD display.

The GB4's hugh onboard library of 95 songs, 100 styles and 100 chord progressions give you an instant repertoire of songs to perform for club dates, jobs, recording or practice. Plus, you can freely edit any one of the built-in songs, styles or chord progressions and store them for future recall
The GB4 is also compatible with the GB2 ROM Card library making it the most versatile instrument you'll ever own. Powerful features make the GB4 the perfect and fastest way to perform live, learn songs, train your ear, practice, record or just jam.
FEATURES
Wide Range of Programming Functions
Record and store your own compositions using the 95 internal songs, 100 styles, 100 chord progressions and 26 different chord types.
Card Operation
Store, record and play back songs on RAM Cards (Kawai DC-8, DC-16, DC-32). Many popular songs are available on optional GB-2 ROM Cards.
MIDI Capability
Input styles using an external MIDI keyboard. Download and upload data using an external MIDI data filer. Also functions as a MIDI sound module.
Four Parametric Outputs
Four assignable outputs, eg., Bass to Output 1, Rhythm to Output 2, etc.
Internal Overdrive
Onboard distortion circuit.
Footswitch Operation
Footswitch control of overdrive, fill in, start/stop, etc., using the Kawai F-1 foot switch.
Large LCD Display
Displays chords, name, tempo at a glance making learning songs very easy and fun.
SPECIFICATIONS
Internal Memory 95 Songs, 100 Patterns, 100 Chord Progressions
Functions Overdrive, Part Volume, Transpose, Song Edit (Repeat, Jump, etc.), Chord Edit (Copy, Erase, Delete, etc.), Style Making (Tempo, Quantize, etc.), Tuning, Mono chord, para out, Footswitch assign, MIDI (Data Dump etc.), Card (Save, Load, etc.).
Jacks Card slot (compatible with all Kawai ROM cards for GB2), Footswitch, DC In, MIDI In/Out, Line Out (4)
Weight and Dimensions 3.1 lbs. (1.4kg)
10 7/8" x 9" x 2 1/2" (276mm x 225mm x 64mm)
Included Accessory AC Adaptor