Central unit powering CS500 system, managing the mic signals and connections from/to aux IN/OUT and/or signal coming from telephone source.

Features:
Power supply up to 50 CS500D microphones.
Selection of the max number of active ''Delegate'' mics (1 to 4 simultaneously).
Limit of active delegates to one unit only. 
Selection of ''Chairman'' priority over ''Delegates''.
30 seconds timer turn off function for inactive ''Delegate'' microphones.
Feedback suppression function.
Headphones output for transcriptions or monitoring.
External input connections.
Outputs: stereo “rec” output, telephone, line.
Inputs: stereo “tape in”, line, telephone.
“Insert” channel.
Weight: 1,65 kg.
Size (WxHxD): 364x88x144 mm.