The Behringer UT100 Ultra Tremolo pedal recreates the classic tremolo effects of vintage '60s amps, offering warm and mind-boggling modulation. With Rate, Wave, and Depth controls, this pedal allows for precise sound shaping. The UT100 includes a status LED for effect on/off and battery check, and can be powered by a 9V battery or DC power supply. If you're looking for the classic tremolo sound, this pedal is a great option.