Product picture - Meridian Technologies DigiFlex DR-6W4A-1 6-Channel 7 MHz NTSC PAL Video and 4-Channel Balanced Audio System Receiver Card Meridian, Technologies, DigiFlex, DR-6W4A-1, 6-Channel, 7, MHz, NTSC, PAL, Video, 4-Channel, Balanced, Audio, System, Receiver, Card Click the image to close this page