The ACM-32 Audio Control Module displays the speaker status of up to 32 groups of speakers in the LSN 2000 system. The ACM-32 has the capability to select 1 of 7 audio sources for each of 32 groups of speakers. The ACM-32 contains a total of 40 Tri-Color (RGB) LED’s of which 32 are used for monitoring speaker status and 8 are used for audio source selection. The ACM-32 also contains a total of 40 membrane switches of which 32 are used to control speakers and 8 membrane switches for audio source selection including OFF.