Silence AC hum forever! Almost all AC hum (60Hz in the U.S.) is caused by groundloops. Rather than filtering, the Hum Eliminator.... $Check price at Zzounds.com
Do you hear hum or buzz in your audio signal? Are long, unbalanced lines across stage creating problems? Get the Hum Eliminator!.... $Check price at Zzounds.com
The Hum X? filters out unwanted voltage and current in the ground line that cause ground loop hum while simultaneously maintaini.... $Check price at Zzounds.com