Nady HE-1 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;