Four Channel Ground Loop Isolator Car Audio 4 RCA AP3054

Isolate and eliminate noise CAUSED BY A GROUND LOOP in an audio circuit., This device has four channels, composed of two pairs of stereo (L+R) inputs and outputs. The nominal DC impedance of the device is 100 ohms and the audio impedance is 3500 ohms at 1000 Hz. The nominal input power:50 watts, maximum power:100 watts., The Mal RCA Plugs are for INPUT. The Female RCA Plugs are for OUTPUT.