Boss CH-1 Super Chorus

Nominal Input Level: -20 dBu

Input Impedance: 1 M ohm

Nominal Output Level: -20 dBu

Output Impedance: 1 k ohm

Recommended Load Impedance: 10 k ohms or greater

Bypass: Buffered bypass

Controls

DEPTH knob
RATE knob
EQ knob
E.LEVEL knob
Pedal switch

Indicator

CHECK indicator (Used for indication of check battery)

Connectors

INPUT jack: 1/4-inch phone type
OUTPUT A/B jack: 1/4-inch phone type
DC IN jack

Power Supply: Carbon-zinc battery (9 V, 6F22) or Alkaline battery (9 V, 6LR61)
AC adaptor (PSA series: sold separately)

Current Draw: 25 mA

Expected battery life under continuous useCarbon: Approx. 11.5 hours
Alkaline: Approx. 26.0 hours
*These figures will vary depending on the actual conditions of use.

Accessories

Owner's manual
Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")
Carbon-zinc battery (9 V, 6F22)

Options (sold separately)

AC adaptor: PSA series