Get the classic, warm, mind-boggling tremolo effects of vintage ’60s amps. This BEHRINGER product has been designed to compete head to head with leading products on the market. There are dedicated Rate, Wave and Depth controls for first-class sound shaping. We’ve included a status LED for effect On/Off and battery check, and you can run your UT300 on a 9 V battery or a DC power supply (not included). For absolutely noise-free operation, a first-class electronic On/Off switch is integrated.