Bosch ES-4000A 4 Channel Wired Intercom Expansion User Station

The ES-4000A from Bosch is a 4-channel, full-duplexing wired intercom user station. Up to 4 units may be connected to the US-2002 user station for a total of 16 additional channels. The ES-4000A offers backlit function keys, speaker outputs, standard XLR or DB9 program inputs, and overload and short-circuit protection and fault indication. The ES-4000A features Clear-Com compatibility for integration with existing systems, flexible self-contained or in-line powering options, tabletop or rackmount use, and professional, rugged construction. Multi-Channel User wired expansion Intercom Station with full duplexing and call capability Separate channel outputs on D-sub connector with, separate program level trims Backlit Listen, Call and Talk keys for each channel Expansion output for