Features: Experience exceptional audio performances with this fiber optical decoding box for your car. Enjoy clear and realistic sound quality thanks to advanced decoding technology and stable optical transmission. Designed for car enthusiasts who appreciate high quality sound and personalized audio setups. Perfect for everyday driving, providing a reliable music companion for various car models. Upgrade your car audio capabilities effortlesslys with this user friendly decoding box, perfect for enhancing your car sound system. Specifications: Material:Plastic Size:As Picture Shown Color:Black For ML R CLS E W164 W251 W220 W219 W171 997 911 718 Working voltage: 12V Signal to noise ratio: 10dB Connector type: audio output Installation location: behind the car audio screen or behind the car power amplifier. Package Includes: 1x Optical Fiber Decoder Box note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.