BOSS OS-2 Distortion

Input Impedance: 1 M ohms
Output Impedance: 10 k ohms or greater
Equivalent Input Noise Level: -100 dBu or less (IHF-A, Typ.)
Connectors: INPUT Jack, OUTPUT Jack, AC Adaptor Jack (DC 9 V)
Power Supply: DC 9 V: Dry Battery 9 V type (6F22/9 V), AC Adaptor
Current Draw: 12 mA (DC 9 V)
Accessories: Dry Battery 9 V type (6F22/9 V)
Option: AC Adaptor (PSA-Series)