You're watching an Roland R-8 MkII Human Rhythm Composer original EPROM with the last OS, V1.03.
ROLAND R8 MKII HUMAN RHYTHM COMPOSER ACH-120 USA AMERICAN POWER SUPPLY ADAPTER
ROLAND R8 MKII HUMAN RHYTHM COMPOSER ACH-240 240E UK POWER SUPPLY ADAPTER 10V UK
ROLAND R8 MKII HUMAN RHYTHM COMPOSER ACH-240 240E EU POWER SUPPLY ADAPTER 10V
ROLAND R8 MKII HUMAN RHYTHM COMPOSER ACH-230 UK POWER SUPPLY ADAPTER 10V UK
ROLAND R8 MKII HUMAN RHYTHM COMPOSER ACH-220 EU POWER SUPPLY ADAPTER 10V
ROLAND R8 MKII HUMAN RHYTHM COMPOSER ACH-100 USA AMERICAN POWER SUPPLY ADAPTER
