1.Applicable models: 90 series after 2016, 60 series after 2019; other models with power amplifier；
2.Input : MOST optical fiber
3.Output: Dual fiber / dual coaxial ;
4.A player with optical fiber/coaxial output can be connected externally. Signal priority to external audio sources, automatic switching;
5.Output signals to two DSPs, and the front,back, left and right can be independently controlled when two DSPs are added.
6.All original media and alarm sounds can be adjusted through a applet, and the steering wheel controls the volume level;