MT74H52A-110 CAMERAMAN CH-3 FLX2 HEADSET HEADBAND.The 3M™ PELTOR™ MT74H52A-110 B1439 Cameraman headset comes with the interchangeable FLX2 Downlead FLX2-B1440 with a 5 pin XLR Male Jack Plug with Coiled Cable used by Cameramen. The 3M Peltor CH-3 FLX2 Headset comes with boom microphone which will bring hearing protection and communication in noisy environments into a new level of performance with newly designed speakers and microphone.