Bàn đạp hiệu ứng âm thanh cho đàn guitar JOYO JF-34

Features: High gain distortion. Rugged heavy-duty housing. Durable jacks and foot switch. Efficient circuit design. 3 adjustable knobs: Dist: Adjust distortion degree, which increases with the clockwise rotation of the Dist knob; the larger degree of the distortion, the louder of the noise. Please set Dist to actual needs. Tone: Adjust tone. The mid and high frequency tone will increase with the clockwise rotation. Please set the Tone to actual needs. Volume: Adjust the output level, which increases with the clockwise rotation of the Volume knob. Please set the Volume to actual needs. True bypass design & quality components. Notes: This item is without battery, please put on the battery by opening the back cover with a screwdriver. When the effect pedal is powered by battery, it works only when the jack is connected with IN end; when the pedal is powered by adapter, its battery won't work. Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly. Specifications: Input impedance: 1M ohms Output impedance: 1K ohms Running current: 10ma Powered by: 1 * 6F22 9V battery / DC 9V adapter (Neither included) Color: Purple Effect pedal size: Approx. 10.8 * 6.2 * 5cm / 4.3 * 2.4 * 2.0in Effect pedal weight: 202g / 7.1oz Package size: 13.1 * 7.3 * 5.5cm / 5.2 * 2.9 * 2.2in Package weight: 240g / 8.4oz Package List: 1 * Guitar Effect Pedal 1 * User Manual (English)