Original Dual Caliber Channel Switch (Red = Lead) - Cable not included.
Standard Footswitch: Channel Switch Cable - Item: 678462
Determining an original DC (A) from a newer DC (B) Series Amplifier: Original DC amplifiers (the A model) have a two-position toggle switch on the front panel that provides manual switching from Rhythm to Lead. These models also feature a five-position rotary switch on the rear panel for manual EQ selection. Later model DCs (the B model) have a three-position toggle switch on the front panel which is labeled (top down): Rhythm - Lead - Lead/EQ. These models feature a two-position toggle switch on the rear panel for EQ channel assignment.