The bone conduction transducer allows the wearer to hearaudio without the need for in-ear headphones - sound waves are instead delivered through the user's cheekbones and into the inner ear.
Standard practice is for airlines to rent you a set of headphones to let you hear the audio, but usually they're of such poor quality that "hearing" is a word we use loosely here.
Whether connected to a current Denon receiver or other product, audio and video signals are sent via analog audio output and S-Video to the respective inputs on a connected device in order to view the GUI and hear the audio.
