The Fulltone Supa-Trem2 Stereo Tremolo pedal gives you that great-sounding Tremolo you"ve been looking for! Like vintage amps, the Supa-Trem2 uses a photo-cell to produce that big, throbbing tremolo sound you love. With Phase Correlation, Waveform, Mix, and Tap Tempo controls, you can create the tremolo sound of your dreams. Go from smooth Sine waves to choppy Square waves to Fulltone"s exclusive over-the-top Warble with the flick of a switch. This unit is a true stereo unit with dual input and outputs. Create the big tremolo sounds you have been wishing for with the Fulltone Supa-Trem2 Stereo Tremolo pedal.