Micro Amp M133 Adds a preset amount of gain with a single control. Boost your signal for lead work. Perfect for switching between guitars with unmatched output.

MXR M 133 Micro Amp 

Features: Dimensions: 4-3/8 x 2-3/8 x 1-1/4 in. 

Weight: 0.9 lbs. 

Color: White