Praesideo Audio Expander | PRS-4AEX4

The audio expander inserts external audio into the system and extracts audio from the system. This unit has control inputs and outputs for external interfacing. It can route its audio inputs permanently or conditionally to any of the zones or to other audio outputs.

.Four audio inputs – two selectable mic/line and two line inputs

.Four line audio outputs

.Eight supervised control inputs and five control outputs

.Redundant network connection