Used Walrus Audio Fundamental Drive Effect Pedal

Used Walrus Audio Fundamental Drive in great condition delivers versatile overdrive for everything from edge-of-breakup warmth to saturated crunch. Simple, stage-ready controls let you quickly dial in gain, tone, and output level, while its compact, rugged enclosure fits easily on any pedalboard. Designed for standard instrument signal chains, it runs on 9V DC center-negative power and provides reliable, low-noise performance for guitar or bass rigs needing a responsive, dynamic drive.