4-Channel Ground Loop Insulator With Noise Removal With : with the help of a four-channel ground loop insulator isolate and eliminate the noise caused by the ground loop in the audio circuit The insulator ensures that the screen grounding on each audio cable is isolated from the grounding of the equipment, which can cause audible noise when amplified This device has four channels, consisting of two pairs of stereo inputs and outputs ( ) The nominal DC impedance of the device is 100 ohms, and the audio impedance is 3500 ohms 1000 Hz The nominal input power is 50 watts, the maximum level is 100 watts Each plug and socket is gold-plated to ensure smooth, corrosion-free connections - Inner mesh panties Material: plastic Dimension: . 330mm mm x 20mm / 13 x 1.8 x 0.8 inch contains: 1 ground loop insulator