In-Line Noise Filter


Eliminate the engine whine noise from coming through your speakers with this simple item.

Comes with 4 holes for attachment to a flat surface.

  • Blue wire is clean power (clean +)(or positive to the filtered device) and should connect to the radio / intercom red wire
  • Black wire is ground (-) and should connect to the battery ground and the radio / intercom black ground wires
  • Red wire is incoming hot (+ to the battery) and should be connected to the positive battery or positive terminal from the source power.

See further instruction here

Availability: 24 in stock

Weight .25 lbs
Dimensions 5 × 5 × 5 in


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