Stereo Infrared Cordless Headphone System (330-1142) Features Faxback Doc. # 32610 Your Radio Shack Stereo Infrared Cordless Headphone System uses and infrared light transmitter to send signals from an audio source (such as a TV or radio) to special headphones equipped with a built-in receiver. This frees you from the tangle of headphone wire running between your audio source and the headphones. You can use the system in your home or office, up to 20 feet from the audio source, and you can individually set the sound level on each earpiece. The system includes a transmitter, a stereo headphone receiver, a type RCA plug adapter, and an AC adapter. (WL/all-05/08/96)