The Telex SSA324 can be used as a 2-channel, 2 wire to 4 wire intercom system interface or as a 1 channel, 2 wire to 2 wire system interface to connect voice signals from different intercom systems.
The unit offers a call signal, and monitoring and channel selection options. It is 1 rack unit high, and 1/2 rack wide, making it easy to install in an audio rack with your other intercom equipment.
SSA324 2 Channel, 2 Wire to 4 Wire Intercom System Interface Converter with Call Signal
1 Year Limited Warranty