A stereo tape-emulation echo effects pedal. One of the most beloved echo effects ever made, the Roland RE-201 Space Echo, has been reborn as the BOSS RE-20 Twin Pedal. Roland and BOSS have recreated every sonic detail and nuance of the original. It offers 12 sound modes and 6 seconds maximum delay time. Sound parameters can be controlled using the Repeat Rate, Intensity and Echo Volume potentiometers. The effect is equipped with two 1/4" inputs, two 1/4" outputs and it is powered by six AA batteries or an AC adapter (not included).