Used 2020s Walrus Audio Fundamental Drive Effect Pedal

Used Walrus Audio Fundamental Drive from the 2020s in great condition, delivering everything from edge-of-breakup warmth to rich, amp-like overdrive for guitar or bass. Simple, gig-ready controls make dialing in your tone fast, while the compact, rugged enclosure fits any pedalboard. Features standard 1/4" input/output and operates on 9V DC center-negative pedal power (no battery), perfect for modern rigs and consistent performance.