Sennheiser Debuts Wireless Headphone Duo

By Ian Bell March 1, 2005

An integrated charger within the base-station keeps the headsets charged without user intervention beyond returning to base when not in use. They also share affordability, making high-performancewireless listening more accessible than before.

The RS 130 design is an open-backed headphone optimized for TV-sound and home-theater reproduction as well as music listening, while the RS 140 is a closed-back system engineered for maximum outputon music and TV-audio, with unique features to enhance intelligibility. The new Sennheiser base-station/chargers are similar, utilizing 900 MHz wireless transmission from base-station to headphone.The transmitters incorporate Sennheiser’s Intelligent Auto Tuning system, which automatically chooses the best of three available base-to-headset â€œchannelsâ€ for low-distortion, noise-free operation,and even recalls the optimum choice when resuming from power-off for fast, glitch-free turn-on.

Both base stations incorporate on-hook charging for their headsets’ integral NiMH batteries, automatically refreshing these memory-effect-immune cells whenever they are replaced on theirholders.

Sennheiser RS 130 The Sennheiser RS 140 wirelessheadphone system exploits a unique, Sennheiser-designed switchable compression system that delivers enhanced intelligibility on dialog and announcers, as well as a new balance control for independentleft/right-channel level adjustment. Their closed-back design renders maximum output capability of 110 dB. The RS 140 can also be used for wireless monitoring by pros such as club DJs.

The RS 130 relies on the latest evolution of Sennheiser’s famed â€œOpen-Aireâ€ headphone design to achieve natural, lifelike sound on music, film and TV audio. By incorporating SRS Headphone, the RS 130offers virtual surround sound. SRS Headphone is compatible with any non-encoded, 2-channel audio source.

Both new Sennheisers boast battery life from a single full charge of up to 23 hours for the RS 140 and 22 hours for the RS 130. Both also claim remarkably comfortable, long-term wearing, from carefulergonomic engineering and lightweight (275 and 280 grams) designs.

Suggested Retail PricesRS 130: $169.95
RS 140: $219.95
Availability: March 2005

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