Allen Avionics HEC-4000 Video Hum Eliminator, Hum and Noise Eliminator, Four Channel I/O, 75 ohms, Metal Housing Wireless The cover is intended for

The cover is intended for recording interviews and broadcasts in windy outdoor weather conditions

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14mV Output Impedance 92 ohms Packaging Info Package Weight 0

Allen Avionics HEC-4000 Video Hum Eliminator, Hum and Noise Eliminator, Four Channel I/O, 75 ohms, Metal Housing Wireless The cover is intended forHum eliminators work best when interference causes small differences in ground potential (less than 20 VDC) or long cable runs have induced currents. HEC series units also work well when there are multiple power panels in a building that create differences in ground potential which induce ground loop current flow and 60 Hz hum. Four Channels of I O Four input channels give this hum reducer the ability to pass GBR and YUV component signals plus sync.