The Xotic AC Booster creates a warm and pleasant sound and features a super wide range gain control that allows the pedal to work as a distortion pedal when it is turned all the way up. Treble and Bass controls are included to help you shape the sound anyway you like, plus true bypass to avoid any coloration when you turn the Xotic AC booster off. The pedal is hand-wired and hand-assembled in the USA and can be powered by either a 9 Volt battery or optional AC adapter.Creates a warm and pleasant sound by using the finest quality parts available.* The super wide range gain control can change the gain amount so wide that this pedal can work as a distortion pedal when it is turned all the way up.* Equipped with not only boost Gain but also Treble and Bass controls that allow you to adjust sound anyway you like.* True bypass for eliminating any signal interference when it is switched out.* All hand wired and hand crafted in the U.S.A.