Hum Eliminator

Easily eliminates AC hum (60Hz/120Hz buzz) with up to 20dB of attenuation; Breaks ground loops safely while leaving all signal grounds intact; Converts automatically back & forth between balanced & unbalanced lines at either end; Dual channel I/O with 1/4" TRS jacks; Completely passive design with quality components assures best possible noise; Distortion-free performance
Warranty: One Year
Country of Origin: China