Rio Grande Liberates Humbuckers with the Tone Twister™ — Four Pickup Sounds, One Screwdriver
HOUSTON, TX — September 4, 2025 — (GUITARpr) — Imagine giving your favorite humbucker four distinct voices — from smooth and clean to fat and crunchy — all by turning a single knob. That’s the power of the new Rio Grande Tone Twister™ Control Module, a drop-in upgrade that transforms any four-conductor humbucker into […]