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 6320-00-456-0836
NSN 5996-01-517-0312
NSN 5960-01-481-3722
NSN 5999-00-587-1919
NSN 5910-01-138-1909
NSN 6110-01-171-9593
NSN 5835-01-631-7390
NSN 6105-01-078-4244
NSN 5960-00-055-3358
NSN 6645-01-659-1583
NSN 5996-01-653-8065
NSN 6135-01-571-6889