·One NSM-9000 can manage maximum 60 conference units and 5 interpreter units at once. 

  Cascade connection of mainframes can be connected for expansion to up to 600 units.

·Feedback elimination function.

·Support simultaneous interpretation of up to 6 languages

·Multiple operation modes can open 1, 3, 6 delegate units simultaneously.

·Speech restriction or FIFO (First-in First-out) function.

·External microphone input.

·6-channel line level output for audio-recording or external sound reinforcement system.

·2-channel line level input for background music or teleconference or other external audio source.

·A 13pin DIN 10-meter connection line included.

Technical specification:

 

Power supply	Frequency response	Dimension	Color
AC220V 50~60Hz	50Hz~16KHz	430(W)×99(H)×325(D)mm	Black