Boss FV-500L Stereo Volume Pedal Stylish design, a road-tough build, and comfortable, smooth action. Expression output for use with expression-compatible amps, effects, and even synthesizers. Features: • Stereo, low-impedance volume pedal • Heavy-duty aluminum die-cast body • Ultra-smooth pedal movement for the utmost in comfort and control • Rubber pedal for comfortable play and non-slip action • Expression pedal function • Convenient tuner-output jack • Adjustable pedal feel (torque)