T REX Tremster

T-Rex Tremster, tremolo pedal for electric guitar, to create vintage tube-amp tremolo the Tremster uses FET-resistor technology to achieve its deep, buttery, and seductive sound, depth control, speed control, volume control, on/off switch with LED status, jack input & output, DC input (center negative, 7 mA consumption) for 9V DC power supply (not included), works also with 9V battery