Used Walrus Audio QI Effect Processor

The Walrus Audio QI Effect Processor, in great condition, delivers rich, studio-quality modulation with intuitive analog controls and precise digital modeling. Featuring stereo in/out, MIDI compatibility, and extensive preset storage, it’s perfect for guitarists and synth players seeking lush, customizable soundscapes. This used unit performs flawlessly and shows minimal wear, making it a reliable addition to any pedalboard or studio setup. Powered via standard 9V DC, it offers versatile tone shaping in a compact enclosure.