Description: 【Enhanced Audio Experience】: This car noise filter is designed to significantly improve your audio quality by eliminating unwanted noise, ensuring a clear and enjoyable sound experience 【Easy Installation】: Equipped with three wires for straightforward setup, the yellow wire for input (12V), the red wire for output, and the black wire for grounding, making it user friendly even for beginners 【 Construction】: DC 12V Car Audio Noise Filter is made from quality PP and metal materials, this noise filter is built to last, offering stability and resistance to wear over time 【Effective Noise Reduction】: Specifically engineered to filter out ignition power noise, this tool enhances your car's audio performance by providing a cleaner sound output 【Compact Design】: This compact device fits easily into your vehicle setup without taking up much space, making it a convenient addition to any car audio system Specification: Material: PP  Metal Size Chart: Package Size: 11 cmx5.5 cmx3.3 cm/4.33 inchx2.17 inchx1.30 inch Package Includes: 1 Audio Noise Filter Suppressor Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.