FeaturesThe Extreme Metal provides a strong low frequency and clear, transparent high frequency, and penetrating main rhythm Tone.With a powerfully-adjustable 3 band EQ and sweep Mid-Freq knob.Play the rhythms and then use the boost switch to play leads that cut through the mix 6 Controls for complete sound manipulation. Aluminum alloy casing with stoving varnish finish.Specifications:Model: JF-17Color: BlackMaterial: Aluminum alloyInput impedance: 1MOutput impedance: 600Running current: 25mAPower: 6F22 9V battery / DC 9V adapter (Neither included)Item size: 12 * 9.6 * 5.7cm / 4.7 * 3.8 * 2.3inItem weight: 415g / 14.6ozPackage size: 13 * 10.4 * 6.2cm / 5.1 * 4.1 * 2.4inPackage weight: 450g / 16.0ozPackage List: 1 * Effect Pedal1 * User Manual (English & Chinese)