PMR RADIO ACCESSORIES
Adapter leads, speakers, earphones, microphones and earphone plus microphone
combinations for use with PMR portable radio equipment, including headsets for
fixing inside helmets and costumes.
Adaptor leads terminating with a three-pole plug at one end and a 2.5 / 3.5mm dual
socket at the other end; designed to allow use of ordinary ‘standard’ wired audio
accessories on transceivers with single speaker / microphone socket.
MPA-Micro - 2.5mm Three-pole Jack
For use with equipment having a 2.5mm socket, such as the TTI PMR500X trans-
ceiver. When used with the PMR-500TX, a second helmet headset may be connected
to a single transceiver.
MPA-Micro500 - 3.5mm Three-pole jack
For equipment with a 3.5mm socket, such as the TTI PMR-122TX, PMR-500TX
Specifically for the HYT TC-1688 transceivers.
Mono ‘on the ear’, ‘D’ shaped earphones, designed to ?t comfortably to one ear, with
a band behind the ear holding the earpiece securely in place. EP-1R has a 1.5 metre
straight cable, with right-angled 3.5mm two-pole jack plug. EP-2 has a 2.5mm right-
angled plug. Impedance: 8 ohms. Response: 20Hz - 20kHz. Power: 100mW
maximum. EP-4 is a further alternative, having a 1.5metre straight lead with right-
angled 2.5mm three-pole jack plug. Impedance: 32 ohms. Response: 400Hz -
20kHz. Power: 50mW maximum.
EP-5 is a semi-covert type, with acoustic ear tube and ear bud, 630mm straight lead,
right-angled 3.5mm single-pole jack plug. Impedance: 110 ohms. Response: 500Hz -
Sharman Earphones with Microphones
The EPM100 is a lapel-clip microphone which can be fixed inconspicuously on a shirt
or jacket collar, with D-shaped earphone which fixes on the external ear. There is a
PTT switch on the microphone. Equipped with ‘standard’ dual-jack moulded plug.
Omni-directional microphone, sensitivity 53dB. Ear speaker power 0.1W max.
The EPM400 is similar to the EPM100, with 1.5m lead and 2.5mm stereo jack plug.
Suitable for TTI PMR500TX transceivers. Omni-directional condens