Description Product Reviews Valcom EZ-GW1R 1 Zone Audio Gateway Rack Mount Programmable Audio outputs Programmable Form C Relay Closures Programmable contact closure input RJ-45 jack for network connection Front panel activity LED Compatible with 25 or 70 Volt amplifiers Provides audio for up to 40 Valcom one-way self-amplified speaker assemblies Output control contact closure provided during paging output Barrel jack for optional DC power 0 Reviews Hide Reviews Product Reviews