The BOSS-100 Guitar Volume Pedal is a passive type volume pedal designed specifically for use with guitar. This mono pedal includes a Minimum Volume control for precise, personalized application and increased pedal throw/effectiveness. lts 100k ohm input impedance has been specifically chosen to avoid the common ploblem of high frequency guitar signal losses present in most passive volume pedals. This rugged pedal is cast in black anodized metal to the same specifications as the Rocker pedals, with recessing for its single control knob for maximum durability.