Donner Compressor Effector Guitar Compresses Excessive Input Signal Original Sound Preservation Pedal (Blue)

[Ultimate Comp] Ultimate Comp is inspired by expensive studio rack-mount optical compressor/limiter units, delivering the iconic smooth, warm compression sound [All-Metal] All aluminum alloy A classic, sturdy and damage-resistant.[True Bypass] With a pure analog design, True Bypass delivers true-to-source, transparent tone. Ultimate Comp is designed and built with carefully selected components to ensure superior sound quality and road performance. Equipped with three easy control knobs: [COMP] compression strength, [TONE] brightness, and [LEVEL] output volume. Each knob can provide a wide control range [DC 9V] Requires DC9V adapter power supply (sold separately). (Center minus) (Note: If you have any problems with the product, please feel free to contact Donner.)