They're comfortable and lightweight, and offer the volume you prefer for watching television, without disturbing others: three new stethoset headphones from audio specialist Sennheiser. With the RS4200 RF wireless stereo headphones users can enjoy hi-fi or TV sound within a range of up to 100 meters, even through walls or ceilings, while the
IS 410 and Set 50 TV infrared headphones transmit crystal-clear audio within the room. Features such as automatic switch-on and switch-off and long-lasting rechargeable battery packs make these stethoset headphones particularly attractive.

Listen to music in the middle of the night, turn up the TV volume as high as you like without entertaining the neighbors too - Sennheiser's new stethoset headphones make it simple. All three are extremely lightweight: the RS 4200 and IS 410 tip the scales at just 50 grams, and the Set 50 TV headphones weigh only 5 grams more. In all three models, the left-right ear balance can be separately adjusted directly on the headphones - a particularly useful feature, as hearing is practically never equal in both ears. And with all models, the transmitter also serves as a charging unit.

The RS 4200 wireless stereo TV headphones transmit speech and music up to 100 meters from the source with superb sound quality. You can hear everything in a next-door room, even through walls. The RS 4200 system is easily connected to the TV set or hi-fi system, and the headphones switch themselves on automatically when put on. The RS 4200 also automatically takes care of finding the correct frequency, and for optimum reception, the system can be switched between three channels. "For television, precise speech reproduction is particularly important", says Irene Strüber, Sennheiser's audiology product manager, "which is why the RS 4200 system is equipped with compression to bring speech into the acoustic center - although music is particularly pleasant to listen to there as well." And, what is more, the sound is reproduced by elegant stethoset headphones: "We pay a lot of attention to comfort - these stethoset headphones are not only stylish but also extremely comfortable, even when you're wearing glasses." The high-performance lithium ion battery works for up to nine hours, and is fully ready for use again after just three hours of charging time.

The IS 410 infrared stereo system also switches on automatically when its headphones are gently opened for wear. "Like the RS 4200, the IS 410 also has volume and balance controls on the headphones", explains product manager Irene Strüber. "So crystal-clear audio reaches each ear at exactly the level the television viewer or music lover finds pleasant." Here too, compression ensures optimum speech intelligibility. In the same room as the audio source, the IS 410 transmits with a range of up to 12 meters, and all this with up to 16 hours of operation per battery charge.

The Set 50 TV mono stethoset headphones offer ease of use at an attractive price. A simple knob on the headphones combines the power function with volume control, and the balance can also be adjusted directly on the headphones. The Set 50 TV provides a good nine hours of clear, undisturbed sound within a range of 12 meters, whether for television viewing or listening to music.

As one of the world's leading manufacturers of microphones, headphones and wireless transmission systems, the Sennheiser Group with its headquarters in Wedemark near Hanover, Germany, had total sales of about €300 million in 2005. The export share is 82.5%. Sennheiser has a total workforce of more than 1,650 employees, of whom about 60% are employed in Germany. Sennheiser is active worldwide and, in addition to other partnerships, has its own sales subsidiaries in France, the UK, Belgium, the Netherlands, Denmark, China, Singapore, Canada, Mexico and the USA.

For further information about Sennheiser please visit us on the Internet at http://www.sennheiser.com/ or contact:

Sennheiser electronic GmbH & Co. KG  
Press and PR - Edelgard Marquardt  
Am Labor 1 - 30900 Wedemark - Germany 
Phone: +49 (5130) 600-329   
Fax: +49 (5130) 600-295   
E-mail: marquare@sennheiser.com  

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