Effect pedal. Sound based on the legendary Tremulator tremolo pedal. 100% Analog signal path. True Bypass footswitch for crystal-clear tone. Aluminum-alloy Die Cast case to withstand wear and tear. Heavy duty metal footswitch and on/off status LED. 4 Easy-to-read,readily accessible knobs. Outstanding tremolo - recreates the pulsing effect from an old Fender tube amplifier. Wide range speed and depth settings. Special designed Volume knob for compensating the volume loss of deep chopping tremolo. Bias knob for digging the depth knob further in. Dimensions 93 mm (D) x 50 mm (W) x 46.5 mm (H). Weight: 175 g.