[DISCONTINUED] Line 6 Floor Board Switches for Channels A, B, C, & D that serve double duty as effects on/off switches Wah and Volume pedals Additional features include Chromatic Tuner and Tap Tempo switch Designed to work best with Line 6's POD2.0, AxSys 212, AX2, Flextone and Flextone III amps, Original Spider amps, and the original POD Self-powered though the locking RJ-45 cable (included)