Pigtronix PHILOSOPHER'S TONE MICRO 2 Compressor/Sustain PedalFamous for its noiseless clean sustain, the Philosophers Tone has staked its claim in the crowded world of compressor pedals. In addition to Volume and Sustain controls, the Philosophers Tone features a parallel Blend knob that allows the musician to mix their instruments original tone with the compressed sound effect. This technique restores natural pick attack and allows more extreme sustain settings to remain musical. The Treble control provides up