In my opinion, the Kenwood Excelon DDX9906XR is the best AirPlay receiver for use in a car. This receiver features a large 6.8-inch capacitive touchscreen display, which is highly responsive and easy to use.
One of the standout features of the Kenwood Excelon DDX9906XR is its support for high-resolution audio. It uses a 24-bit digital-to-analog converter (DAC) and supports a wide range of audio formats, including FLAC and DSD. Additionally, it features a built-in DSP that provides high-quality sound with no distortion, even at high volumes.
Another great feature of the Kenwood Excelon DDX9906XR is its compatibility with Apple CarPlay and AirPlay. This allows users to easily connect their Apple devices and stream content wirelessly, making it a great option for those who want to listen to music, podcasts, or audiobooks while on the go.
In terms of functionality, the Kenwood Excelon DDX9906XR offers a range of useful features, including Bluetooth connectivity, voice control, and support for popular apps like Spotify and Pandora. It also includes a rear-view camera input, which is a nice added convenience for those who want to use the receiver for navigation purposes.