This side chain input can even be used as an FX loop for maintaining accurate envelope response when using other effects in line before the EP-1. The Envelope Phaser also features footswitchable phase inversion, expression pedal speed control for mind bending rotary speaker effects and can even be used as a clean analog fat booster. Destined to be the favored modulation effect for many guitarists and bass players looking for that elusive "liquid tone, " the EP-1 will also find itself at home in the hands of scratch DJs, laptop musicians, and recording engineers. Boutique quality tone, components and workmanship.EF Trigger input for side-chaining and FX loop. Expression pedal jack for speed control & rotating speaker madness. Hand built and tested for tone. Invert option for subtractive or additive phase shifting. Full range, low noise, high headroom, true bypass. Switchable Envelope Follower (EF) / Low Frequency Oscillator (LFO). The item pictured is the one you will be receiving. Tone House Studios has new Guitar and Recording Studio gear being added every week! Be sure to check out our world-class recording facility located in Long Island, NY. If your product arrives not as described in our listing for any reason, please reach out to us directly so we can resolve this issue promptly. Many issues can be solved quickly and efficiently with quick correspondence. Follow us on facebook to keep up with new offerings and news from the studio. The item "Pigtronix EP-1 Envelope Phaser FX Guitar Effect Pedal EP1 Phase inversion EP 1" is in sale since Tuesday, August 22, 2017. This item is in the category "Musical Instruments & Gear\Guitars & Basses\Parts & Accessories\Effects Pedals\Phasers & Shifters". The seller is "tonehousestudios" and is located in Woodbury, New York. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.