Aguilar Chorusaurus Bass Chorus Pedal Analog Bucket-Brigade technology Gig-saver bypass (signal passes even if your battery dies) Inputs: One 1/4" jack Outputs: One 1/4" jack (For Mono output use a standard 1/4 cable to your amplifier, for stereo operation to two amplifiers use a 1/4" Y cable with one 1/4 TRS to two 1/4" TS jacks) Power: Nine-volt battery or optional universal power supply