Following the critically acclaimed Radial JD7™ Injector, the X-Amp employs a unique class-A circuit design that has been optimized for use with guitars. Features include balanced line level input with LED peak indicator and level control, class-A circuit topology for optimal reach and frequency response, a transformer isolated output to eliminate hum and buzz caused by ground loops, a 180° polarity reverse switch to bring both amps into phase, and a dual ground lift switch for noise-free operation.