ZVEX Box of Rock Distortion Guitar Effects Pedal - The Box of Rock is ZVex's first distortion pedal, highly specialized to simulate the "everything on 10" sound a classic Marshall amplifier. You can use effectively with many different amplifiers, but you might want run it through at least once. Use your guitar's volume control adjust amount want, all way down very clean and clear most drive settings. Each these pedals hand-painted, so each will be little from rest. ZVex also contains an extremely high-headroom, unity-to-50X gain booster nominal input impedance low hiss.Drive, Tone, Volume, Boost controls give easy over distortionGives great amp tone any sort amplifierPowered by 9V battery or adapter (adapter not included) amps, Effects, Effects Pedals, Distortion & Overdrive Effects Pedals