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 DR-550 Dr. Rhythm 1989-1991 - Black ($181.08)

Boss DR-550 MkII - Drum Machine - Boxed - Tested ($241.84)

Boss DR-550 Dr. Rhythm Main Board ($47.40)

Set of two Boss DR-550 Dr. Rhythm 1989-1991 - Black ($121.53)

Boss DR-550 MkII Dr. Rhythm 1992-1999 - Black ($200)

Boss DR-550 Dr. Rhythm 1989-1991 - Black ($120.31)

Boss DR-550 Dr. Rhythm 1989-1991 - Black ($207.58)

Boss DR-550 Dr. Rhythm 1989-1991 - Black ($138.38)

Boss DR-550 MkII Dr. Rhythm Drum Machine ($99)

Boss DR-550 Dr. Rhythm Drum Machine ($121.53)

Boss DR-550 Dr. Rhythm 1989-1991 - Black ($99.65)

Boss DR-550 ($182.29)

Boss Dr-550 MKII - 1992 Classic - Excellent ($175)

Boss Dr. Rhythm DR-550 MK2 Drum Computer ($109.38)

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

Owner's Manual for Boss Dr. Rhythm DR-550 1984 ($16.61)

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

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

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

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

Power Supply Replacement for Boss Dr-550 Mkii Adapter Uk 9V ($11.51)

Power Supply Replacement for Boss Dr-550 Adapter Uk 9V ($11.51)

Boss DR-550mkII ($229.69)

Power Supply, 9-volt DC, Roland TB-303, TR-505, TR-606, TR-626, MC-202, SH-101, A-500S, SBX-1, BOSS ($24.31)

9V Power Supply for Boss DR-550 Dr. Rhythm, DR-550 MKII Dr. Rhythm ($21.99)

Ripcord USB to 9V Boss DR-550 Drum machine-compatible power cable by myVolts ($24.29)