Bogner Uberschall Distortion Pedal True bypassBoost function with independently lit volume and gain controlsMaster Controls: Gain, Treble, Middle, Bass and VolumeJacks: input, output and remoteRemote jack allows control of the on/off and boost functions via a remote switching unitLow Battery Indicator: LEDs blink when battery voltage drops below critical thresholdPremium components include: Double-sided, gold-plated circuit boards, German WIMA capacitors, Japanese Nichicon capacitors and gold-plated relays, Carling switches and m