1、With RM type shielding inductor customized to adapt to the Wah sound, ensuring a more outstanding sound. 2、The Wah volume pedal is small and compact, occupies a smaller space on the effect board, and is lighter to carry. 3、Equipped with Wah and volume, wah and through 2 different operation mode selection shifts and volume control range knob. 4、With Wah Q value adjustable knob, the Wah frequency range can be adjusted in 6 levels. 5、The pedal adopts active volume circuit design, which can reduce tone loss and ensure signal lossless. 1 x WAH Volume Pedal1 x User Manual Item Type: WAH Volume PedalMaterial: MetalColor: RedPower Supply Voltage: 9VPower Supply Current: 18mAInput Interface: 6.35mm monoOutput Interface: 6.35mm monoInput Impedance: 2.2MΩOutput Impedance: 100Ω