BOSS CH-1 Super Chorus

Input Impedance: 1 M ohms
Output Impedance: 10 k ohms or greater
Residual Noise Level: -95 dBu (IHF-A, Typ.)
Connectors: INPUT Jack, OUTPUT Jack A (mono)/ B, AC Adaptor Jack (DC 9 V)
Power Supply: DC 9 V: Dry Battery 9 V type (6F22/9 V), AC Adaptor
Current Draw: 22 mA (DC 9 V)
Accessories: Dry Battery 9 V type (6F22/9 V)
Option: AC Adaptor (PSA-Series)