A timeless piece, the Big Muff Pi has been defining the sound of rock guitar for almost 40 years!

  Analog Phase Shifter Get the sound that made the Classic 1970 Small Stone famous!

Fuzz / Distortion / Sustainer Faithful re-creation of the original late-70s Op-Amp Big Muff Pi!

Natural bass overdrive and clean boost for the tone conscious! Enhance the original sound of your instrument and amp while retaining the essential character.

Jaw-dropping, cavernous delays in a compact package!

Lush chorus and vibrato with a sparkling wash and liquid elegance!

Full-range overdrive for a wide, sculptable tone!

Thunderous bass fuzz with crossover control and expanded I/O in the most versitile Bass Big Muff ever!

Analog Delay / Chorus / Vibrato Nothing can compare to the organic sound of analog delay, and no one does analog like the Deluxe Memory Man — the most in-demand analog delay ever built!

Analog delay with extensive controls and tap tempo all in an affordable package!

Classic mid-focused symmetrical overdrive with the edge of NYC!

Extremely versatile, classic op-amp powered fuzz/distortion inspired by the RAT2™!

Sample and hold notes or chords with infinite sustain!

Warm, classic photocell Vibrato/Chorus with expression control and authentic tone!

Advanced Multifunction Delay & Looper with 12 delay types, tap tempo, and extended control!

The authentic reissue of the legendary Green Russian Big Muff Pi!

Divine reverb for mere mortals!

Harmonizer / Pitch Shifter Instantly create matching harmonies to what you play.

Emulate the world’s most coveted electric pianos and more!

Rotary speaker emulation at its finest!