The HS-1/D is a light weight, half open headset. It has a single muff with dynamic microphone, cable and XLR-4 connector.
4-pin Female XLR connector
Single ear design (Open)
Please note that in order to have a fully functioning intercom system you need to connect your headset to a beltpack which is in turn connected to a main station which supplies power to the system. Feel free to give us a call if you have any questions.