coupling assembly 17 to provide for selective intermittent use of this transmission headset the press to talk switch 30 may suitably be hand foot or knee operated by this coupling arrangement it may be seen that the transmitter tube 14 may be detachably connected to the plug assembly 17 and that the plug assembly 17 may be detachably coupled to the electronic communications equipment 28 post auricle mount 2 is configured to rest on the ear of a user extending around behind the ear by virtue of the adjustment means 8 the rigid mouthpiece tube 10 may be adjusted to place the mouthpiece 12 near the mouth of a user thus the acoustical waves of the voice of the user may be transmitted through mouthpiece 12 mouthpiece tube 10 adjustment means 8 post auricle mounting means 2 transmission tube 4 and plug 14 to the microphone 20 and the plug assembly 17 since the microphone 20 preamplifier 22 and press to talk switch 30 are incorporated into or attached to the plug assembly 17 the combination of the headset and the plug assembly may be substituted directly for a hand held microphone conventionally used with communications equipment in fig2 an alternative embodiment of the headset of this invention is illustrated in which the headset is mounted by means of a headband 40 at each end of the curved and generally c shaped headband 40 is attached a pad.