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Free shipping US onlyFrom the frozen fields of fuzz history emerges the MF-4, a brutal reimagining of the legendary Green Russian and NYC Big Muff circuits—refined, expanded, and weaponized for modern tone seekers. This isn’t just a clone. It’s a battle-hardened evolution of one of the most iconic fuzz circuits ever unleashed on the world of heavy music.Whether you’re summoning earth-shaking basslines or chainsaw guitar riffs, the MF-4 delivers crushing sustain and raw aggression without sacrificing clarity. It’s voiced to retain tight low-end and punch through the mix—perfect for doom, sludge, stoner rock, and the heaviest of sonic battlegrounds.But what truly sets the MF-4 apart is control. Unlike traditional Muff-style pedals that scoop your mids into oblivion, the MF-4 introduces an expanded MID control that lets you command your tone with surgical precision. Sweep from classic mid-scooped filth to full-throated roar and everything in between. The result? A fuzz that adapts to your rig, your genre, and your intent—without compromise.