Authentic British overdrive tones inspired by the legendary "BE-100" tube amplifier head. Dual channels featuring Volume, Gain, Bass, Middle, Treble, and Presence controls. Three-position Tight switch for each channel. Comes with a splitter cable for 18V operation (connect to a power supply using 2 x 9V isolated outputs). True bypass switching. Operates on 9V-18VDC power. Assembled in the USA