Increase your rhythm vocabulary with Dr. Rhythm. The DR-670 stands as one of the most feature-packed and affordable drum machines in BOSS history. This compact rhythm-creation tool offers all the acclaimed sounds from BOSS' flagship DR-770 model, while adding velocity-sensitive pads, footswitch control and much more. Thanks to the DR-670's Direct Pattern Play function, any of its patterns can be instantly selected using the drum pads. When programming, these helpful features make your patterns as expressive as possible. Direct Pattern Play function lets you assign internal patterns to pads for triggering on the fly Maximum Polyphony - 20 or less, depending on the bass sounds selected Kits - 64 Preset, 64 User Rhythm Patterns - 200 Preset, 200 User Songs - 100 User, Song Length - Maximum 250 patterns for a song, Total Patterns for all songs - approx. 3,000 8,000 Maximum Note Storage Resolution per quarter note - 96 Tempo - Quarter note - 20 - 260 bpm Recording Method - Realtime / Step Large LCD for confirming pattern tempo at all times Connectors - Output Jacks L (MONO)/R, Headphones Jack (stereo miniature phone type), Foot Switch Jack (stereo 1/4 inch phone type), MIDI Connectors IN/OUT Included - Alkaline Dry Battery (LR6 (AA) type) x 6 Options - AC Adaptor - PSA series, Foot Switch - FS-5U, Foot Switch cable - PCS-31 (Roland), (1/4 inches Phone Plug (stereo) - 1/4 inches Phone Plug (mono) x 2) Width x Depth x Height - 8-7/16 (213 mm) x 6-11/16 (169 mm) x 2-1/8 (53 mm) Weight - 0.8 kg; 1 lb. 11 oz.