Wireless headphones have progressed from being less-than-reliable Infra-red carrier system to the modern digital radio transmission types now produced by Sennheiser. The RS160 is the first of this range, and offers excellent sound and the ability to listen to music from the source device regardless of where in the house you want to be. There is, of course, still the popular application of TV sound for those who like it turned up to levels the rest of the household finds s bit much! With a frequency response of 18hz-21khz these are full-rnage devices.
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