Amplified Communications Speaker 3 Watt 12VThe COMM.4/AMP is a neat and compact amplified 3 Watt communications speaker for 12V vehicles. It has a volume control and comes with 115cm of cable terminated with a 3.5mm jack plug. A mounting bracket that allows the speaker to be angled is included. It"s a great product for use in commercial vehicles were good communications are critical and environments are noisy like airport transport vehicles, emergency service vehicles and public transport. It can also be used in yachts. Applications include: Telematics, Navigation, PMR Radio, TETRA, Hands-Free Car Kits.DC: 6 - 15VRated Power: 3w1 Channel Amplifier with volume controlFrequency responses: 20 - 20Khz115cm cable with 3.5mm Jack PlugComes complete with mounting bracketApplications Include:Airport Transportation VehiclesEmergency ServicesPublic TransportCommercial VehiclesTelematics, Navigation, PMR Radio, Hands-Free Car KitsTaxis