Wampler Hot Wired V2, Brent Mason Signature series, e-guitar effect, overdrive/distortion, 2 pedals in one chassis, controls channel 1: Volume, Overdrive, Tone and Blend (for clean signal), control for channel 2: Volume Distortion and Tone, Bass Boost switch for each channel, True Bypass, powered by a 9V battery or 9V power supply (not included, Item No. #108096), dimensions: 114.3 x 114.3 mm