ITEM NAME:Universal 4 Channel RCA Input Output Ground Loop Isolator Line Sound Elimin A4W1 Universal 4 Channel RCA Input Output Ground Loop Isolator Line Sound Elimin A4W1 Isolate and eliminate noise caused by a ground loop in an audio circuit with this Four-Channel Ground Loop Isolator. The isolator ensures that the shield ground on each audio cable is isolated from any equipment ground, which could cause audible noise when amplified. 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 is 50 watts, with a maximum power level of 100 watts. Color: Blue Voltage: 12V Material: ABS Input power: 50 W Max power: 100 W Type: Line Noise Eliminator Connection: RCA Weight: 116g Line length: about 15 cm Size(main part): 9cm x 4.5cm x 2.2cm / about 3.54 inch x 1.8 inch x 0.87 inch Package Included: 1xBlue 4 Channel Ground Loop Isolator Note: 1.Avoid strong vibration do not disassemble refit or repair on your own. 2.Keep away from fire. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.