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The HDI IS 490 Infrared is an open dynamic HiFi Stereo supra-aural headphone. It has wireless infrared system. Its very low weight of 140 g and the ultralight design means that the HDI 490 is ideal not just for use at home but also as a musical travelling companion. The sound from the headphones is distinguished by its fidelity and powerful bass. The use of duofol membranes also reduces intrusive partial harmonics
Sennheiser headphones feature transparent sound reproduction and exceptional response making them some of the finest headphones in the world.
Sennheiser is an acknowledged world leader in microphone technology, RF-wireless and infrared sound transmission, headphone transducer technology, and most recently, in the development of active noise-cancellation.
For 60 years the Sennheiser name has been synonymous with a passion for perfect sound. Since its beginning, Sennheiser – which remains a family-owned business – has been making a name for itself with high-quality mics, RF wireless technology, headphones and Assistive Listening Devices. Sennheiser products provide the finest combination of performance and value available anywhere, and back them up with superlative service.
On Sep-20-09 at 20:23:01 PDT, seller added the following information:
Shipping Insurance is now included in shipping & handling on all Tara-Sell items.
Questions and answers about this item
Q: do you know if the RF headphones are better? is the volume and signal strength adjusted using buttons or a wheel? thanks A: Hi. I really don't know much about the differences. The controls are sliders on the side of the earpiece. Thanks.