TC Electronic Gauss Tape EchoGAUSS TAPE ECHO Super Saturated Tape Echo Pedal with Mod Switch, Delay, Sustain and Volume Controls Responsive pedal faithfully reproduces every saturated nuance of a tape echo machine 3 knob interface allows intuitive control of delay time, sustain and volume Mod switch lets you convert your signal to warm tape echo sounds True bypass for ultimate signal integrity "Built like a tank" metal chassis Runs on 9 V battery or PSU SB DC power supply (not