Earth Loop - Ground Hum Eliminator

Earth Loop - Ground Hum Eliminator designed and hand built by Mike Hill Services.

  • The B.I.S Box and B.I.S Box Mini are used for eliminating earth loops, buffering guitar signal and driving long signal leads.
  • Placing the B.I.S Box in the right place can cut out your earth loop hum without loss of signal.
  • Used by guitarists and guitar techs around the world.

All designed by Mike Hill and hand made by us using the highest quality components.

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