The Beyerdynamic DT 990 is a lightweight, circumaural 600-ohm stereo headphone set that was designed to meet the criteria for a subjectively uniform frequency response established by...
Since the time when radio was called “wireless,” the profusion of wires involved in any working audio installation has contrasted sharply with that name. More recently, as the sophistication...
Cordless headphones have been available for at least twenty years and are widely used in legitimate theaters as an aid to hearing dialogue that might otherwise be lost or masked by...