Ernie Ball MVP - mono volume and gain boost pedal, allowing volume adjustment without loss in high frequencies regardless of the volume intensity. It is ideal for both active and passive pickup guitars. Offers a gain boost of up to +20 dB, and an independent input for a tuner. It has a sturdy construction with an aluminium housing. Requires a 9V/100mA DC power supply via an external adapter, or a 9V battery.
