BOSS PW-3 Analogue Wah Pedal with Two ModesUnique 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 pedalboards 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