Description

The Sony 900 MHz RF Wireless Headphones with Auto Tuning have a range of up to 150 feet, letting you roam about inside or outside while still enjoying your music. The featured 30 mm drivers provide a wide dynamic range with less distortion and deeper bass, and the single NiMH battery, which can be recharged by simply putting the headphones on the transmitter, can last for 20 hours. Automatic tuning ensures optimal signal reception, a self-adjusting headband fits snugly but comfortably, and a rotary volume control makes it easy to adjust sound. You can manually adjust the tuning on the closed-type headphones themselves, and the 900 MHz frequency gives sound accuracy and a broad range. The headphones’ diaphragms ensure high rigidity with minimum distortion as well as low mass for excellent high-frequency response.
Technical Details
- RF wireless headphone system using FM transmission system
- Up to 150-foot transmission range with auto frequency tuning/reception
- Lightweight closed-type headphones with 30 mm drive units for deep bass; volume control on headphones; automatic on/off headphone function
- Self-adjusting headband for precise and comfortable fit
- Up to 24 hours battery life using 2 AAA batteries; includes 2 NiMH rechargeable batteries with up to 15 hours’ use

Users reviews:
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Amazon reviews:
The sound quality is good. The batteries last all day while I am at work. They are fully charged for use the next day. Save on having to buy batteries.
Poor auto-tuning feature causes interferences and noise. Requires finding a good position and not changing position for good sound quality.
I have also a model without auto-tuning, which I recommend as much better selection.
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