Description: Isolate 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. Specification: Color: Blue Voltage : 12V Material :ABS Input power:50 W Max power:100 W Cable Length:240mm Type:Line Noise Eliminator Connection:RCA Weight:116g Size(main part): 9cm x 4.5cm x 2.2cm { about 3.54 x 1.8 x 0.87} Package Included: 1 x Blue 4 Channel Ground Loop Isolator Note: 1.Avoid strong vibration do not disassemble refit or repair on your own. 2.Due to the hand measurement, there have size error about 1-2cm. 3.Keep away from fire. 4.Due to the difference between different monitors, the picture may not be reflecting the actual the item, please consider this before the purchase. High quality store for you!