Wireless systems will expand and enhance your enjoyment of the various audio sources - such as TV and stereo - found in your home. Like FM radio, the Advent Wireless Systems' 900 MHz signals travel with ease through walls, floors, ceilings and other obstacles, delivering high-quality stereo sound to virtually anywhere in or about the home. Resonator-controlled circuitry for drift - and static-free reception, coupled with outstanding range - up to 300 feet - make the possibilities for your enjoyment of the Advent Wireless Systems nearly unlimited. Advent Wireless Systems are compatible with most potential audio sources, i.e. TVs, VCRs, stereo receivers/amps, personal stereos, boom boxes, DSS receivers, and individual stereo component pieces (CD players, cassette players, etc.). Because the headphones do not have the line-of-sight restrictions imposed by infrared technology-based systems, you have the freedom to use the headphones while moving about freely within the transmitter's range. The contents of the ... Minimize