Source Audio SA101W3 Hot Hand Wah Filter - Wireless Motion-Controlled Wah Filter Effects w/ Custom Carry Case & Power Supply 11 effect types including Classic Wah model, 2 Low Pass, 2 Band Pass, 4 Multi Peak, Auto-Wah mode, and Volume Swell. 4 easy to store and easy to recall presets for saving user settings. Frequency knob controls starting point of the sweep. Motion knob controls sensitivity of the motions sensor for use with small or big movements. Active Analog Bypass provides full analog routing during bypass and prevents signal degradation in long effects chains.