Used Rocktron Heart Attack Dynamic Filter Effect Pedal

Add dynamic, expressive tone shaping to your rig with the used Rocktron Heart Attack Dynamic Filter, in excellent condition. This envelope filter pedal features intuitive controls for Sensitivity, Attack, and Decay, letting you dial in punchy auto-wah effects perfect for funk, rock, or experimental sounds. True bypass ensures tonal integrity, while rugged construction makes it stage-ready. Powered by a standard 9V adapter, it’s a compact, pedalboard-friendly tool for adding vocal-like filter sweeps to your sound.