They are used but work fine.
Boss / Roland Dr Rhythm DR-55 Vintage Analogue Drum Machine
Boss DR880 Dr Rhythm Drum Machine with Gigging Hard Carry Case
Boss DR660 Rhythm Drum Machine READ
Boss DR-660 Dr. Rhythm w/ original BOSS power supply
BOSS DR-550 MKII Dr. Rhythm MK2 Made in Japan Drum Rhythm Machine TESTED Working
