Caline CP-18 Overdrive Electric Guitar Effect Pedal

Function knobs (Gain,Treble, Bass, Vol): ? Gain allows you easy to achieve from a barely noticeable boost to a boost with a hint of fuzz. ? Treble and Bass controls are a great way to cut and boost your frequencies even further. ? Vol is used to set the output volume. Good Overdrive Tone: When you use pre-gain stage , you will find the pedal go from a very pristine clean to a very smooth, compressed, overdriven sound. If you switch off it, true bypass can eliminate any signal interference. The CP18 is durably constructed and should live up to the pressures of gigging despite its low price, great for guitarists. Specifications: Power Supply?9V DC (Negative in the center). Working current: 30mA Package included: 1 x Effect Pedal. 1 x Battery Cable.