Warm, rich, wide range tremolo effect. True stereo spectrum of sound with two amps. Works great in mono too! Sine, trapezoid and square wave modulation. Dual Output channels - stereo/mono. Speed/shape/depth controls. Excellent dynamic response. Simple, easy to use design. 100% Analog design with True Bypass circuitry. "Effects on" indicator light. Micro pedal package - very small and compact.