A truncated cone open at both ends. It is used to direct vocal sounds in greater volume toward a certain point.
Classification: Headphones & earphones, whether or not combined w/ a microphone, and sets consisting of a microphone & one or more loud speakers, nesoi
NSN 5925-01-416-7511
NSN 5855-01-262-8013
NSN 5960-01-439-9517
NSN 5960-01-506-7039
NSN 6130-01-328-1617
NSN 5985-01-457-1433
NSN 5930-01-416-2973
NSN 6220-00-350-5607
NSN 5950-01-611-3824
NSN 4140-01-234-9999
NSN 6320-00-186-6452
NSN 5920-01-592-3050