Classic Audio Transponder Digital Delay, Roller - UsedThe Transponder features crystal clear repeats with delay times up to 1000ms. With the Transponder Roller you get the ability to adjust delay time with nothing more than your foot! As you move the roller forward the delay time decreases, giving you faster repeats. Add in mix and repeats knobs and the perfect delay sound is only a roll away. This Classic Audio Transponder Digital Delay is in very good condition.