| Country of Origin | United States |
|---|---|
| Brand | Unbranded |
| Type | Noise Isolator |
| Cable Length | 0.5ft. |
| Channels | 2 |
Check the listing for details. Car Power Filter EMI Noise Ground Loop Isolator Suppressor for Auto Stereo Audi. Condition: New, Made in United States. Listed at 23.99 USD. 【How to connect】The red wire connects to the battery 12v+, the yellow wire connects to the power cable of the stereo where the electricity is going. 【Car power filter】It can eliminate the EMI/Ground Loop interference in the power source caused by the other car electronics or ignition.