Used Subdecay Super Spring Theory Effect Pedal in great condition, offering authentic spring reverb tones with a versatile, compact design. This pedal delivers classic amp-style reverb, from subtle warmth to deep, immersive decay. Featuring Mix, Dwell, and Tone controls, it allows precise tailoring of your sound. The Super Spring Theory includes true bypass switching for pure signal integrity and operates on a standard 9V DC power supply (not included). Its sturdy build ensures reliability for studio or stage use. Whether adding a slight ambience or lush, surf-style reverberation, this pedal provides the rich, dynamic response of a real spring reverb tank in a pedalboard-friendly form.