Fun and Flexible Acoustic Rhythm Machine If you play acoustic music and want to jam along with acoustic grooves, then the BOSS DR-01S Rhythm Partner belongs in your toolbox. This is a rhythm machine specifically designed for acoustic musicians like you. In addition to acoustic drums, it comes loaded with amazing, organic percussion sounds, from congas and cowbells to tambourines and bongos. Acoustic musicians here at Sweetwater are impressed with the DR-01S's patterns. Load up patterns for any style and tweak them on the fly. Handy I/O lets you connect your media player or send audio to a PA, and you can plug in pedals for on the fly control.
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