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 5925-00-606-6529
NSN 6320-01-422-1212
NSN 5950-01-621-6069
NSN 5975-01-157-8140
NSN 6135-01-487-6275
NSN 7035-01-539-3781
NSN 6610-01-332-9556
NSN 6620-01-391-9829
NSN 5950-01-036-3622
NSN 5999-00-269-5320
NSN 5990-01-097-4721
NSN 6130-00-804-8800