1998 ROLAND Boss DR-202 Bass & Drum Machine

- 500 patterns total
- Hip Hop 1: 49 patterns
- Hip Hop 2: 34 patterns
- Hip Hop 3: 36 patterns
- Jungle: 16 patterns
- Drum 'N' Bass: 51 patterns
- Techno: 51 patterns
- House: 36 patterns
- Acid Jazz: 39 patterns
- Latin: 24 patterns
- Rock: 34 patterns
- Other: 30 patterns
- User: 100 patterns
- 20 programmable songs
- 127 preset kits
- Reverb/Delay amount knob
- Flanger amount knob
- Portamento amount for bass sound
- Roll button
- Bass boost/cut knob

The DR-202 Dr. Groove takes BOSS' popular programmable drum machine concept into the Groove Zone. This block-rockin' beat machine features 256 drum and bass sounds exclusively developed for groove music production—from hip-hop to jungle, drum 'n' bass, trip hop, house, Latin and more.

from www.rolandus.com:
- Compact, easy-to-use rhythm machine developed exclusively for groove/dance music production: hip-hop, techno, jungle, drum 'n' bass, trip hop, Latin and more
- 24-voice polyphony, 256 drum and bass sounds, 128 Preset drum kits, 400 Preset patterns, 64 User drum kits, 100 User patterns
- Classic Roland TR-808, TR-909 and TB-303 sounds, vinyl sounds, Lo-Fi drum samples, various synth basses, sound effects and more
- Authentic groove music patterns can be used "as is" or broken down into User patterns
- User-friendly design with intuitive 3-track sequencer: rhythm track, bass track, external source track for sampler or other MIDI device
- Rhythm Mute function for break-downs and drop-outs
- Reverb/Delay and Flanger knobs for realtime effects control
- Cutoff, Resonance and Decay knobs for instant tweaking of individual instrument sounds
- Tap Tempo control for realtime BPM adjustment; built-in Low Boost/Low Cut control
- Control changes can be output via MIDI; can also be used as 24-voice MIDI sound module
- Battery or AC powered