Used Walrus Audio Fundamental Tremelo Effect Pedal

Add rich, vintage-style modulation to your tone with this used Walrus Audio Fundamental Tremolo pedal in good condition. Featuring three waveform options—sine, square, and triangle—and intuitive Rate, Depth, and Blend controls, it delivers classic pulse effects with modern reliability. Housed in a compact, durable metal chassis, it runs on standard 9V power (center negative) and is perfect for guitarists seeking warm, rhythmic tremolo to shape their sound with ease.