99 programmable patterns
MIDI-out
Line-out
Phones-out
Requires 4 AA-batteries
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| brand: | Boss |
| model: | Dr. Rythm DR-550 |
| year: | unknown |
| specs: | 16-bit handheld drumcomputer / step-sequencer |
| extra: |
64 soundbanks 99 programmable patterns MIDI-out Line-out Phones-out Requires 4 AA-batteries |