Features 1、Intermediate between distortion and overdrive, different from the normal diode clipping circuit. 2、Hybrid OCD distortion of solid state or vacuum tube tone, create the tone of a tube amplifier at volume. 3、Soothing and sweet tone /u0026 more active redundancy. 4、Effects of electron tube amplifier and complex harmonic spacious sound. 5、Gain, Tone, Level knobs. Specifications: Features: Intermediate between distortion and overdrive, different from the normal diode clipping circuit. Hybrid OCD distortion of solid state or vacuum tube tone, create the tone of a tube amplifier at volume. Soothing and sweet tone & more active redundancy. Effects of electron tube amplifier and complex harmonic spacious sound. 3 adjustable knobs: Gain: Adjust the degree of distortion; Tone: Adjust the intensity of the tone; Level: Adjust the volume of the sound. Also added High and Low switch to tailor overdrive frequencies to your liking. True bypass footswitch, LED indicator, aluminum alloy housing. Specifications: Input impedance: 1M ohms Output impedance: 1K ohms Running current: 6mA Powered by: 1 * 6F22 9V battery / DC 9V adapter (neither included) Material: Aluminum alloy Color: Black Effect pedal size: Approx. 12 * 6.7 * 5.6cm / 4.7 * 2.6 * 2.2in Effect pedal weight: 308g / 10.9oz Package size: 12.8 * 7.5 * 6cm / 5.0 * 3.0 * 2.4in Package weight: 354g / 12.5oz Package List: 1 * Guitar Effect Pedal 1 * User Manual (English & Chinese) Note: No battery or adapter is included. Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly. Package List 1 * Guitar Effect Pedal 1 * User Manual (English & Chinese) Note: No battery or adapter is included. Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.