Features: Experience superior sound quality with our fiber optical sound decoders converter box, ensuring HiFi sound transmission through advanced decoding technology. This converter box features wide compatibility, multiple connection interfaces, and a compacts designs, making it easy to integrate into your car's sound systems without occupying much space. For car owners seeking enhanced sound experience, audiophiles looking to upgrades their automobile sound systems, and professional car modification experts in search of high performances sound decoding solution. Perfect for daily commutes, long road trips, or in car gatherings, this device optimizes sound quality, providing immersive sound experience that enhances every journey. With its fiber optical connectivity, the decoders ensures stable signal transmission frees from electromagnetic interference, delivering clear and consistent sound even in complex automotive environments. Specifications: Component:Plastic Size:Approx.5x7cm/1.97x2.75inch Color: Black For CLS、SLK Class Package Includes: 1pcs Sound Decoders Box note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.