Check the listing for details. USED Pigtronix Philosopher's Tone GermaniumGold Micro Compressor Sustainer Pedal. Condition: Used. Listed at 66.99 USD. USED Very Good condition. A few scuffs but fully functional and tested with electric guitar. If you're not familiar with this pedal, please check out online reviews and video demonstrations as you make your decision. Has some neat possibilities, from using simply as a compressor or also adding some grit and/or fuzz to your tone. The Pigtronix Philosopher's Tone Germanium Gold Micro Compressor & Sustainer Pedal is an analog effects pedal designed for electric guitars and bass guitars. It combines the functions of a sustainer and a compressor, providing a unique and versatile sound for musicians. With the quality and reputation of the Pigtronix brand, this pedal is sure to enhance the performance of any guitar or bass player looking to add depth and dynamics to their music.