Headphone aux output is dodgy and makes loud humming noise. Other output untested. Electronics/programming seems to be working fine.
Boss DR-550 MKI Digital Rhythm Drum Machine
Boss DR-550 Dr. Rhythm Drum Machine Tested Used from Japan DR550
Boss DR-220A Dr. Rhythm - Digital Drum Machine, Includes Box, Case, Manuals, PSU
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Replacement Battery for BOSS DR-670 & DR-770 Digital Drum Machines (2 Batteries)
Replacement Batteries for BOSS DR-670 & DR-770 Digital Drum Machines (1 Battery)
