Drum Machines ⇝ Roland ⇝ Roland Boss DR-550

The DR-550 was updated with a larger sound set as the Boss DR-550 MkII. It can store up to 8 songs with a maximum of 160 patterns per song.

Specifications

Year Released: 1990

Number of Pads: 12

Polyphony: 12 notes

Preset Patterns: 64

User Patterns: 64

Tempo Range: 40 - 250 BPM

ROM Size: 48 sounds at 16-bit resolution

Power Consumption: 9v, 90mA or 6 x AA batteries

Weight: 0.51 kg including batteries

Dimensions: 188 mm x 157 mm x 41 mm

User Demo Videos

Rating

File Downloads

Boss DR-550 Manual

Boss DR-550 Service Notes

Items for Sale on Reverb

Boss Boss DR-550 MKII DR.Rythhm Drum Machine (Edison, NJ) ($99.99)

Boss DR-550 MkII. 808/909 sounds ($188)

Boss DR-550 Dr. Rhythm 1989-1991 - Black ($100)

Boss DR-550 Drum Machine ($99.99)

Boss DR. RHYTHM DR-550 1989 - black ($151.44)

Vintage Boss DR-550 MkII Dr. Rhythm DR550 Drum Machine ($169.99)

Boss DR-550 MkII Dr. Rhythm ($127)

Boss DR-550 Dr. Rhythm - Black ($83.29)

Boss DR-550 MkII Dr. Rhythm 1992-1999 - Black ($132.38)

Set of two Boss DR-550 Dr. Rhythm 1989-1991 - Black ($111.24)

Boss DR-550 ($166.86)

Boss DR-550 MkII Dr. Rhythm 1992-1999 - Black ($143.50)

Boss Dr. Rhythm 550 MKII 1990 - Black ($225)

Boss DR-550 parts - tempo LED - part no. 15029324 ($5)

Boss DR-550 parts - 12MHz crystal - part no. 15299128 ($10)

Boss DR-550 parts - volume potentiometer - part no. 13279966 ($15)

Boss DR-550 parts - power switch - part no. 13159168 ($10)

Owner's Manual for Boss Dr. Rhythm DR-550 1984 ($15.60)

Boss DR-550 parts - Midi din socket - part no. 13429642 ($15)

Boss DR-550 parts - tape save/load socket - part no. 13449428 ($10)

Boss DR-550 parts - flex cable - part no. 23485252 ($5)

Boss Doctor Rhythm Drum Machine DR-550 2000 ($200)

Power Supply Replacement for Boss Dr-550 Mkii Adapter Uk 9V ($14.08)

Power Supply Replacement for Boss Dr-550 Adapter Uk 9V ($14.08)

Boss DR-550MKII Owner's Manual ($25)

Boss DR-550mkII ($210.25)

Boss DR 550 Mk2 Booklet en français ($11.12)

Power Supply, 9-volt DC, Roland TB-303, TR-505, TR-606, TR-626, MC-202, SH-101, A-500S, SBX-1, BOSS ($18.91)