<http://schema.org/description>
"Nady HE-1 Hum Eliminator [HE-1] - Hum Eliminators: Features: Easily eliminates AC hum (60Hz/120Hz buzz) with up to 20dB of attenuation Breaks grounds loops safely while leaving all&amp;nbsp;signal grounds intact Converts automatically back and forth between balanced and unbalanced lines at&amp;nbsp;either end Dual Channel I/O with &amp;frac14;&amp;rdquo; TRS jacks Completely passive design with quality&amp;nbsp;components assures best possible noise/distortion-free performance"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.avshop.ca/sound-amp-pa-audio/accessories/hum-eliminators/nady-he-1-hum-eliminator>