Wampler The Pinnacle, Amp-in-a-Box Series, e-guitar stompbox, distortion, controls for: Volume, Gain, Tone and Contour, Vint./Mod. switch, Boost switch, True Bypass, powered by a 9V battery or 9V power supply (not included, Item No. #108096), dimensions: 63.5 x 114.3 mm