Koss Corporation JR900 Wireless Headphones 音频耳机

Koss JR900s are the music lover’s answer to true stereo and cordless freedom. Operating on one of the highest power bands available on the market, the Koss JR900 headphone system (consisting of a high quality, battery operated RF transmitter with AC adapter) offers the best in wireless audio technology, allowing you to roam freely over a 70,000-square-foot area. From room to room, inside to outside, even in bright sunlight, you can move to your heart’s content without the need for additional transmitters or worry of signal breakup. No other radio frequency headphone system delivers the exceptional sound reproduction and extended frequency response as the JR900 wireless headphones: crisp highs and amazing bass response flowing through circumaural leatherette ear cushions â€\" which enclose the ear for maximum isolation. An adjustable, padded, vinyl-covered headband fits nearly any head size and shape for optimal comfort. Oxygen-free copper voice coils transmit the clearest signal imaginable for the quality of deep bass and treble clarity that can only be called the Sound of Koss. THE JR900 TRANSMITTER The heart of Koss’s wireless JR900 system is its transmitter. An interface that offers 5-channel capability, the JR900 transmitter allows listeners to easily switch from channel to channel for clean and clear reception. The channel select control makes hooking up additional transmitters to separate audio sources a breeze, enabling you to tune in to different audio programs on the JR900 cordless headphones.