Upgrade your car's audio system with the Car Audios Noise Filter and experience a whole new level of sound quality. This filter is specifically designed for car audios enthusiasts who want to take their system to the next level. Features -Color:Blue -Material:ABS -Size:9.30X5.00X2.50cm/3.65X1.97X0.98in -Say goodbye to unwanted noise and enjoy clear sound: unwanted noise and experience clear sound. - installation for seamless integration with car audios systems: easy installation for seamless integration with car audios systems. -Elevates the audio experience with improved sound quality and effects: enhance the audio experience with better sound quality and effects. -Energy-efficient design eliminates the need for extra power cables: efficient design eliminates the need for additional power cables. -Built to last with durable materials for long-term performance: constructed with durable materials for lasting performance. Package list: 1 x ground loop isolator