JOYO JF-02 Ultimate Drive pedal is intermediate between distortion and overdrive， which is different from the normal diode clipping circuit. It can not only recreate the sound of a Late 70s overdrive tube-amp， but also can make different kinds of sound， for example， the sounds from punk to country， the sounds of soothing and sweet tone， the sound of more active redundancy. So why not pick up this guitar pedal and then enjoy your wonderful melody!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.Specifications:Input impedance: 1M ohmsOutput impedance: 1K ohmsRunning current: 6maPowered by: 1 * 6F22 9V battery / DC 9V adapter (neither included)Material: Aluminum alloyColor: Black & RedEffect pedal size: Approx. 12 * 6.7 * 5.6cm / 4.7 * 2.6 * 2.2inEffect pedal weight: 301g / 10.6ozPackage size: 12.8 * 7.5 * 6cm / 5.0 * 3.0 * 2.4inPackage weight: 333g / 11.7ozPackage List:1 * Guitar Effect Pedal1 * User Manual (English)