Lub tuam txhab David Clark paub zoo tshaj plaws nyob rau hauv kev lag luam marine rau nws cov wireless thiab digital headset workboat neeg ua haujlwm kev sib txuas lus - Series 9900 Wireless Marine Headset System thiab Series 9100 Digital Marine Headset System. Lub tuam txhab muaj ntau tshaj li 20 xyoo ntawm kev tsim thiab tsim cov neeg coob nkoj kev sib txuas lus daws teeb meem rau ntau yam workboats, piv txwv li, patrol nkoj, hluav taws kub / cawm khoom siv tes ua, thiab offshore pab cuam nkoj.