HumZero

Plugging this in between my mixer and speakers completely killed the ground loop buzz I'd been fighting for weeks—galvanic isolation actually works. Clean, silent audio now.

Had a nasty ground loop humming through my studio monitors for months and this killed it instantly. The galvanic isolation actually works, no more buzz even with everything cranked. Wish I'd bought one sooner.

Plugged this between my mixer and powered speakers and the hiss that had been there for months just vanished. Galvanic isolation did exactly what it promised, no ground loop hum even with everything on the same outlet. Wish I'd bought it sooner instead of rewiring half my desk.