The Stone Deaf EP-1 Expression pedal is designed to provide you with the ultimate flexibility in tone control over the frequency of our pedals.You can plug it into any existing Stone Deaf filter to create wah wah, phaser and frequency sweeps across the spectrum of our pedals.So by using this you are eliminate other pedals on your board such as a wah pedal for instance. You can use it to control the tone of your guitar as sound as well making a bridge pickup sound like a neck pickup and vice versa.If Frank Zappa was still alive he would be all over this pedal...its a truly versatile addition to any of our pedals so try it out.Features Parametric Filter Control of Frequency sweep on existing Stone Deaf pedals Bypass Frequency pot to revet back to your on pedal setting of the frequency pot. Frequency Bandwidth 30hz-6khz Battery Drawer (to power led) True Bypass 9v Negative Tip (Boss Style Power input) Super Grip tread for non slippage Adjustable tension bolt to change the sweep resistance of the mechanics of the pedal. Ultra wide sweep Stereo output Jack socket Stereo cable included Ultra Bright LED
