BOSS CH-1 Super Chorus Effects Pedal Features:
 
 
Effect Level, EQ, Rate, and Depth controls
Input Impedance: 1 Mohms
Output Impedance: 10 Kohms or greater
Residual Noise Level: -95dBu (IHF-A, Typ.)
Connectors: Input Jack, Output Jack A (mono)/ B, AC Adapter Jack (DC 9V)
Power Supply: 9V DC, either a Dry Battery 9V type or an AC Adapter
Current Draw: 22 mA (DC 9V)
Accessories: Dry Battery 9V type
Optional AC Adapter - Roland PSA-120S
2-7/8" W x 5-1/8" D x 2-3/8" H
Weight: 15 oz