Car Truck Audio Filter Power Noise Reducer Ground Loop Isolator Suppressor FH-203  Description:This item eliminates ground loop noise between audio source and radio.It is a universial model that widely be used on most kind of passenge car.Features:100% brand new and high qualityEasy to installReduce noise of igniter produces filtration effectCan effectively solve the problem of car audio noiseImprove sound effectSpecification:   Model: FH-203Voltage: 12VNet Weight: 100g Color: Main Unit(White)、 Cable(Blue)Package Include:1 X Audio Filter1 X Blue Cable