b'Clockaudio -Ceiling and Suspended 31CCRM 4000/C-303-RFFeatures: Tri element microphoneTri-element motorised ceiling microphone with three cardioid polar patterns covering 360 for boardrooms, conferencing, courtrooms and other venuesDesigned to capture 360 degree pickup RJ-45 Socket complete with RJ-45 to Phoenix connectors for fast connection to mixer or DSP.A 9-48 volt phantom power supply is required. Patent pending 1109720.1Control Ports allow DSP connection and link/daisy chain expansion to other CCRM 4000/C303 Retracta units. Up to 99 secondary units can be daisy chained to the Main Retracta Logic Hi / Lo for DSP mute detection portMain and secondary units are identical in construction. Two rotary 0-9 digital decimal encoders are used to set the Master (00) and 01-99 determines slave designation. IR remote control or DSPIR Remote control supplied with the Main Retracta to allow easy set-up and programming of the cable heightThe remote control can be used to activate the Retracta in the absence of a DSPWall or ceiling mounted IR Sensor with integral LED supplied with Main RetractaThe CCRM is also available with a tri element C303 microphone with a 9.14 Meters drop (30 feet). Model Number CCRM-4030Models: With prewired tri element C303 microphoneCCRM 4000-M-C303-RFMain Unit with single microphone BlackCCRM 4000W-M-C303W-RFMain Unit with single microphone WhiteCCRM 4000-SL-C303-RFSecondary Unit with single microphone Black CCRM 4000W-SL-C303W-RF Secondary Unit with single microphone White= RF-Immunity Version'