The 403 is a perfect example of how Flightcom continues to push the envelope in performance and capability while containing costs. You’ll appreciate the innovation, precise workmanship and advanced engineering that goes into every one of these intercoms. Weight: 5.0 oz. Size: 5″ L, 2.4″ W, 1.2″ H, Stereo intercom features include 6-place capability, instant music muting, and pilot isolate so you can focus on your flight and eliminate backseat chatter. Benefits; Easy to use and designed to fit almost anywhere in the panel. All the functions you need along with superb stereo sound. Switches provided in installation kit allow individual headphone positions to select either stereo or mono mode, allowing the use of monaural headsets. 2 year warranty.