Check the listing for details. Electro-Harmonix Big Muff Pi Hardware Plug-in Harmonic Distortion/Sustainer Pedl. Condition: New. Listed at 328.90 USD. The Big Muff Pi Hardware Plugin harmonic distortion/sustainer effects pedal transcends the limitations of traditional DAW plug-ins to bring the unique qualities of analog sound to digital recording. Analog hardware has a magical warmth that is known for its sound and feel and the genesis behind this product was to take the world’s most beloved harmonic distortion/sustainer and transform it into a plug-in with a twist. It works like a standard DAW plug-in, but recorded tracks go through the actual analog circuitry of EHX’s Big Muff Pi, injecting analog warmth into your session. And it integrates seamlessly with all the most popular DAWs, including Pro Tools, Ableton Live, Cubase, GarageBand, Logic Pro X, Reaper and more.