Built-in operation amplifier with low noise , natural and clear sound.
True bypass design, minimizes tone loss and get more control of your pedal.
3 adjustable knobs: level, low and high.
Aluminum alloy housing, good durability.
Durable jacks and foot switch.
Designed with on / off LED, instructs effects status.
Powered by a 9V battery or 9V DC power adapter (neither included).