Features: Elevate your vehicle experience with our Car Stereo Radio Optical Fiber Decoders Box, ensuring seamless integration and sound. This decoders box features a plug and play design with a compatible fiber optic interface, making it a hassle free upgrade for your car's entertainment system. For owners who appreciate superior sound quality and are looking to enhance their in car system without compromising on functionality. Perfect for long drives or daily commutes, this optical fiber decoders box transforms your vehicle into a concert hall, providing an immersive listening experience. Constructed with ABS material and designed for specific models, our decoders box is the go to choice for audiophiles seeking a high performances solution. Specifications: Material: Plastic Voltage: 12V Size: About. 5x8cm/2x3.1in Applicable Model: for W171 W219 W220 Package Includes: 1pc Optical Fiber Decoders Most Box note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.