Description:There are four main control knobs on the pedal – Gain, Treble, Vol, and Bass. Gain allows you to go from a barely noticeable boost to a boost with a hint of fuzz. The Treble and Bass controls are a great way to cut and boost your frequencies even further. So combined these controls allow a great deal of versatility. The cp-516 is durably constructed and can live up to the pressures of gigging.Different effects can give you a variety of your dream sounds. 30dB+ clean boost with an adjustable 15dB, two band active EQ which adds a wide range of harmonic content, Help you catch your ideal voice.When you use pre-gain stage , you will find the voice change from a very pristine clean to a very smooth, compressed, overdrive sound. If you switch off, true bypass design can eliminate any signal interference.Features:1.True Bypass design, Aluminum alloy casing2. Power Requirement: 9V DC center negative3. Current consumption: 30mA4. Product Dimensions: 11.2×6.4×3.4cm5. Weight: 0.23Kg