The Eartec MOKW3300IL Monarch Plug-In Headset with Kenwood 2-Pin Connector. Customers that require industrial headsets that are comfortable to wear have to look no further than the Monarch. These lightweight headsets are manufactured with BPT, the same plastic material used to make automobile bumpers and are built for the rough and tumble world of everyday industrial environments. Monarch headsets feature a slender backbandand comfortable foam earpading. They are equally at home on the floor of a TV studio or inside the cab of a tower crane. Over the last decade the Monarch has become popular for studio and “on location" use because they are comfortable, rugged and affordable.