Boss DR770 Drum Machine

Roland Updated: 2009-02-15 RSS
Boss DR770 Drum Machine

The DR-770 Dr. Rhythm is BOSS' most advanced compact rhythm machine ever, offering a powerful sound engine and hundreds of patterns. This translates into the highest quality drum and percussion sounds and patterns of any compact rhythm machine on the market.

* Top-of-the-line BOSS compact rhythm machine
* 400 Preset patterns: Rock, Pop, Jazz, Latin, World, Standard and more
* 400 User program memories
* 255 high-quality drum and percussion sounds
* 64 Preset drum kits and 64 User-programmable kits
* Reverb, Flange and EQ control
* Assignable Pedal switch allows Start/Stop, Forward, Rewind, etc.
* Direct Pattern Play for instant pattern playback by pressing a single pad
* 10,000-pattern memory onboard
* New Ambience control permits 16 settings for overall drum sound (Stadium, Live House, Lo-Fi, etc.)
* Quick Search for quick pattern location by musical genre


Maximum Polyphony: 14 voices
Instruments: 255
Rhythm Patterns
- User Patterns: 400
- Preset Patterns: 400
- Songs: 100
- Song Length: Maximum 250 parts for a song
- Total Parts for songs: 10,000
Resolution: Per quater note: 96
Tempo: Quater note: 20 to 260
Data Input Method: Realtime / Step
Maximum Note Storage: approx. 11,200 notes
- Output Jacks (L, R(Mono))
- Individual Output Jack
- Headphone Jack (stereo miniature phone type)
- Pedal Switch Jack
- MIDI Connectors (IN, OUT)
- AC Adaptor Jack (AC 14 V)
Power Supply: AC Adaptor (BOSS BRC series)
Current Draw: 700 mA
Accessories: AC Adaptor (BOSS BRC series)
- Foot Switch: FS-5U
- Pedal Switch: DP-2
- Foot Switch Cable: PCS-31