The Belcat BLD-508 Blues Driver Pedal ensures a pure blues sound without having to pay over the odds; a solid steel footswitch that can be operated with either a 9V battery or an adapter. With "Tone", "Level" and "Gain" controls, you have the capability of creating fantastic warm bluesy tones. The BLD-508 offers precise Tone and Gain control, and its affordability and robust finish make this a must have addition to any guitarists pedal collection.