Rolls HE18 Hum Eliminator: Balanced/Unbalanced Converter


Out of stock


The Rolls HE18 Hum Eliminator is a two-channel audio hum and buzz remover. The He18 hum eliminator helps to remove unwanted 60 cycle hum in your sound. Now you can eliminate virtually all ground hum and buzz by simply inserting the HE18 into the audio path. Plus, the unit will convert an unbalanced signal into a balanced signal, and vice versa. This greatly improves overall noise performance.

Rolls HE18 Hum Eliminator Balanced/Unbalanced Converter

  • Eliminates ground loop hum and buzz
  • Leaves signal grounds connected
  • Passive, requires no power
  • Converts balanced signal to unbalanced signal and vice versa
  • Adjusts signal voltages to match difference in ground potential
  • Checkout all of our Rolls Professional Audio Products

Additional information

Weight1 lbs
Dimensions6 × 6 × 6 in


Frequency response: 20Hz to 70 kHz +/- .5dB
Distortion: < 0.005% THD @ 1 khz Crosstalk: > -97 dB
Max source impedance: 1 K Ohm
Min load impedance: 10 K Ohm


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