The Fender B-DEC 30 (Bass Digital Entertainment Center) is both an entertainment center and a teaching/training tool for bass players. It includes 70 loops called Performance Presets which provide instrumental accompaniment for many musical styles and teacher loops which help bassists develop and refine basic techniques. The B-DEC 30 has eight of the most popular bass amps and 18 effects models combined with musical loops for endless jamming fun. Each loop has drum, guitar, and keyboard sounds along with a guide bass track, and each instrument can easily be muted. The internal synthesizer with MIDI interface allows playback of any MIDI file and can store up to 64 MIDI song files. The included complete method book has transcription and tablature for every preset along with suggested techniques, areas of focus, and playing variations. 15"W x 17"H x 14.5"D. 33 lbs.