Upgraded Ground Loops Noise Isolator Noise Filter for Car Radio/Home Stereo Systems Noise Suppressor Reducer Alternator _x000D_ Features: _x000D_ Two Channel ground isolator_x000D_ Small Size Designs, fits in small places and produces great result_x000D_ Reduces High Pitched Whine Alternator Noise caused by the car's electrical Systems_x000D_ Eliminate ground humming and buzzing noise between Radio source and amplifier. When used with car Radio, this isolation circuit goes between unit and theamplifier._x000D_ Power supply noise of igniters produces filtration effect, make the sound effect is better._x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material:ABS_x000D_ Current Rating: 20A_x000D_ Rating input: 30W_x000D_ Pk Input: 60W_x000D_ Size:Approx.65mm/2.56''x35mm/1.38''_x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1Piece Noise Filter_x000D_ _x000D_ _x000D_ Note: _x000D_ Please allow 1mm errors due to manual measurement._x000D_ Due to the differences between different monitors, the picture may not reflect the actual color of the item._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_