JOYO JF-09 Tremolo Guitar Pedal Stompbox Of Classic Tube Amplifiers Intensity Tone Guitar Effect Ped

Features:Use the photoelectric tube circuit, same as the tremolo of the old electronic tube amplifier. Intensity and Rate knobs make it easy to adjust the tone and vibe.True bypass design minimizes tone loss. Achieves the distinctive sound heard on so many classic recordings.
Specifications:Model: JF-09Color: YellowMaterial: Aluminum alloyInput impedance: 1MωOutput impedance: 1KωRunning current: 7mASpeed range: 1Hz-20HzPower: 6F22 9V battery / DC 9V adapter (Neither included)Item size: 12 * 7.1 * 5.5cm / 4.7 * 2.8 * 2.2inItem weight: 290g / 10.2ozPackage size: 13 * 7.9 * 6.2cm / 5.1 * 3.1 * 2.4inPackage weight: 325g / 11.5oz
Note: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 * Effect Pedal1 * User Manual (English & Chinese)