ITEM NAME:4-Channel Rca Audio Noise Filter Suppressor Ground Loop Isolator Car Stereo C4Y9 4-Channel Rca Audio Noise Filter Suppressor Ground Loop Isolator Car Stereo C4Y9 Eliminates humming and buzzing due to ground loop issues Filters out DC current in the signal path Passive in-line device Connectors:2x RCA Male,2x RCA Female;Gold plated Name:RCA Audio Noise Hum Filter color:blue Material:plastic case Size:about 90x50x23mm Rated input:50W Peak input:100W Package Contents: 1x Car Audio Noise Filter
