The 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-17 Color: Black Material: Aluminum alloy Input impedance: 1M? Output impedance: 600? Running current: 25mA Power: 6F22 9V battery / DC 9V adapter (Neither included) Item size: 12 * 9.6 * 5.7cm / 4.7 * 3.8 * 2.3in Item weight: 415g / 14.6oz Package size: 13 * 10.4 * 6.2cm / 5.1 * 4.1 * 2.4in Package weight: 450g / 16.0oz Note: Power supply not included. Please use the 9V DC power adapter whose polarity is negative centre otherwise, the product may not work properly. Package List: 1 * Effect Pedal 1 * User Manual(English Chinese) 1 * Year warranty through our store No Duty to Canada and USA FAST 'N FREE USA Shipping (typically about 4 days) Ships from Canada