SSM-64A VOX Headset with Boom Mic

Standard Horizon;s SSM-64A offers an Over the head headset with Boom mic, option to setup for PTT (Push to Talk) operation or VOX (voice activated transmit). Compatible with Standard Horizon HX210, HX380, HX40, HX400, HX870 and HX890 and all Standard Horizon models with a speaker mic connection on the radio.