Used Walrus Audio Fundamental Reverb Effect Pedal

Add ambient depth to your tone with this used Walrus Audio Fundamental Reverb pedal, in great condition. Featuring three reverb modes—Hall, Spring, and Plate—it delivers versatile soundscapes with simple, intuitive controls. Built in the USA, this compact stompbox runs on 9V DC power and is perfect for beginners or pros seeking a reliable, high-quality reverb. Whether you're adding subtle warmth or expansive shimmer, this pedal keeps your sound lush and expressive.