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Rolls HE18 - Buzz Off 2-Channel Hum and Buzz Remover



The Rolls HE18 Buzz Off is a low-cost, 2-channel, in-line audio hum and buzz remover, which virtually eliminates 60 cycle ground hum and buzz in the audio path. In addition to hum removal, the unit converts unbalanced signals into balanced signals, and vice-versa, improving overall noise performance.

  • Eliminates ground loop hum and buzz
  • Leaves signal grounds connected
  • Passive unit, no power required
  • Converts balanced lines to unbalanced lines and vice-versa
  • Adjusts signal voltages to match difference in ground potential