Eliminates ground loop hum. Just plug the HE-2 in between the offending pieces of equipment and you're done. Also converts balanced and unbalanced signals. 2 channel box version. Cold-rolled steel housing, passive design (no power required) & two-year warranty.Features include:• Simply plug the Hum Eliminator between the offending pieces of equipment to get rid of ground loop or cable related hum• Uses 1:1 isolation transformers to break loop antenna and balance audio lines• Also converts balanced and unbalanced signals• 1/4″ smart jacks can accept any combination of mono or stereo plugs• Available in 2 channel box or 8 channel single space rack• Passive device (No power required)• Hang-able/resealable clear clamshell packaging• Cold-rolled steel housing, two-year warrantyProduct last updated 2023-12-29T11:42:54.796Z