The Boss FDR-1 Guitar Effect Pedal is a reverb effect pedal, which is designed to reconstruct the touch responsive, unique overdriven tone of the celebrated Fender amp. The Reverb Effect amp pedal bears the same controls of Level, Gain, Treble, Bass, Vibrato and Reverb as the Fender tube amp. The tough metal structure of the amp pedal allows wear and tear as the stompbox lies near your feet. The Boss FDR-1 Guitar Effect Pedal also performs as a pre-gain effect pedal, to add the Deluxe Reverb tonal character, when connected prior to an already overdriven amp. If you ever longed for the '65 Fender Deluxe reverb tube amp sound, the Boss FDR-1 Guitar Effect Pedal is the answer to your prayers.