A transparent silicon Booster. The Boomster will cleanly boost your signal and give you a huge tone! It can be used to fatten up your existing sound or boost you up for solos.
You can adjust the gain of the pedal with an internal trimmer. The higher the trimmer is set, the more output and gain you get.
True-Bypass Controls : Level , internal GAIN trimmer It works with a 9V battery or 9V boss-type DC adaptor (negative tip) It uses only 5mA of power when ON Dimensions : 111 x 60 x 32 mm