Used Walrus Audio Fundamental Reverb Effect Pedal

Add spacious ambience to your rig with this used Walrus Audio Fundamental Reverb in great condition. Designed for easy, great-sounding reverb, it delivers lush room, hall, and ambient-style textures with straightforward controls for mix, tone, and decay. Built in a compact, pedalboard-friendly enclosure, it runs on standard 9V DC center-negative power and features true-bypass switching for a clean, reliable signal path. A perfect upgrade for subtle depth or big, cinematic washes.