Boss PW-3 Wah Pedal Unique Rich mode retains low-end fullness, eliminating the thin tone of typical wah designs Vintage mode for the familiar classic wah sound Low-noise operation and pro playing feel with smooth pivot action and adjustable tension Space-saving design fits easily on crowded pedal boards Rugged, die-cast aluminum chassis provides a rock-solid feel and gig-ready durability On/off LEDS on each side of the pedal make it easy to see status at a glance