Kenwood KHS-7A Single Earmuff VOX Headset Boom Mic

The KHS-7A is a single muff headset with an in-line push-to-talk, listed by that description in Kenwood's business radio accessory chart.

Single muff is the specification that decides where this belongs. One ear is covered and one is left open, so the wearer hears the radio clearly and still hears the room. That is the right arrangement on a site with moving plant or a reversing alarm, where a headset that seals both ears is a hazard rather than an improvement.

The boom microphone sits near the mouth rather than on the chest, which is what keeps transmissions intelligible in noise. Kenwood lists the KHS-8BL palm microphone and the KHS-26 clip microphone in the same chart as lighter alternatives where full headset wear is not wanted.