SAS-8i is an audio input chassis for SourceFlex Audio System that accepts 8 balanced or unbalanced sources. The SAS-8i has separate paging input and closure contacts. It is programmable for maximum number of sources used. The SAS-8i supports SAS-8C or SAS-82 SourceFlex controllers and controls 4 SourceFlex listening stations. There is a provision to set maximum listening level at each station and has the protection of an auto-resetting fuse protects power feed, to each listening station.