Features: Experience clear sound with our 12V auto sound Power Filter, designed to eliminate electrical noise and interference for a pure music experience. Featuring advanced filtering technology, this power filter ensures stable power supply and strong anti interference capabilities, making it ideal for any auto sound system. Perfect for auto sound enthusiasts seeking high quality sound, professional installers optimizing systems, and drivers enhancing passenger satisfaction. Ideal for daily commutes, long road trips, and auto sound upgrades, this filter enhances sound quality by reducing noise interference. Built with a aluminum shell, it withstands high temperatures and harsh automotive environments, ensuring reliable Performances across various conditions. Specifications: Material: aluminum Size: about 3x5.5cm/1.18x2.17inch Package Includes: 1xAudio Power Filter note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.