Auto Wah has been available for some time in the guitar pedal world often as a standalone effect with quite a processed sound. Fender has designed and produced anew adaptive envelope filter that reacts to your picking dynamics and a host of other features. 3 Filters The Pour Over Envelope Filter has 3 filter types, high, band and low with comprehensive range control to sculpt the amount of wah. There an overdrive circuit and controls to add distortion to you wah for those much-needed solos. Robust and Sturdy The Pour Over Envelope filter is housed in anodized aluminium and will take all the rough and tumble associated with live performances. The unit comes finished in a stylish metallic green. With a jewel LED indicator and backlit LEDs to monitor levels even in the darkest places.