The MAS distributor is used in the main line of the multi-channel audio system and distributes the multiplex signal to the seat modules connected and forwards the signal to the next distributor.

Coach MAS / Multi-channel Audio System
MAS distributor
MAS distributor for the multi-channel audio system supplies individual seats on the coach with their own sound sources from radio, cassette, CD, CD changer and video.
Microphone announcements have priority on all programmes.
One distributor is required for every 2 seat modules.