2-channel distortion pedal for electric guitar, based on the Diezel VH4 tube amplifier. The definitive sound of mid-'90s metal tone. Shape your tone with Bass, Middle, Treble, and Gain controls. Fine-tune low-end girth and resonance with the Deep knob. Power Amp Output offers a line-level signal for direct connection to your power amp input (effects loop return). Dial in just the right amount of bite with the Presence control. Premium construction with lightweight metal chassis and discrete circuitry.