Switchable combination Optical Wah and Volume Pedal.
Boost knob allows up to 20 db of clean boost in Wah mode.
Smooth Audio Volume Taper.
New 20/20 Buffer circuit that prevents signal loss and maintains tone.
Silent switching to prevent pops and noise.
Dimensions: 6.85″ x 4.5″ x 2.5″ (L x W x H)