Used Walrus Audio FUNDAMENTAL REVERB Effect Pedal

Used Walrus Audio Fundamental Reverb in good condition delivers lush ambient space in a compact, pedalboard-friendly design. Choose from three reverb modes with straightforward controls to dial in everything from subtle room depth to expansive, dreamy trails. Built for standard 9V DC pedal power (center-negative) and designed for guitar, bass, or synth, it offers rich tone, low noise, and reliable switching—an easy upgrade for any rig needing inspiring reverb textures.