For a long time, whether the sound of the Mercedes-Benz Android host uses the AUX channel, or the AUX channel through CarPlay, AUX noise has always been recognized as a difficult problem in the industry;

In response to this problem, Penghui Audio & Video changed the audio output mode of Penghui Android to optical output, and then through the optical fiber to analog mode, independent power supply to the audio part, completely shielding the noise.