Rear Seat Entertainment System (RSE), Generation 3.1/3.2 (75TH Anniversary Edition; 2002): Design: Headphones
The wireless IR headphones are compatible with both screens. IR transfer is used to transfer standard audio to the headphones in two-channel stereo format. The headphones are powered by internal batteries. The headphones are switched on with a button on one side while the volume of the respective headphones is adjusted with a wheel. Each set also has a channel selector that controls which audio source the set of headphones receives.