PSP stompOFFer!


PSP develops high quality audio effect and processor plug-ins. Our products garner rave reviews and endorsements from every corner of the music production, engineering, composition, and post-production worlds.  Our  plug-ins have become staples in professional and home studios worldwide.  Our credo explains our simple philosophy: It's The Sound That Counts!

PSP stompDelay: a near faultless, ridiculously versatile delay with a fabulous sound at a steal of a price. We're blown away!

Computer Music magazine


PSP stompFilter: PSP's action-packed and endlessly creative frequency-shaping plugin delivers fabulous hardware-style filtering, both in the studio and on stage. A must-have!

Computer Music magazine

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