- RF wireless headphone system using FM transmission system
- Up to 150-foot transmission range with manual 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 28 hours battery life using 2 AAA batteries; includes 2 NiMH rechargeable batteries with up to 18 hours' use
Technical Details
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Most Helpful Customer Reviews
43 of 45 people found the following review helpful:
1.0 out of 5 stars
Its not worth even $1,
This review is from: Sony MDRRF920RK 900 MHz Wireless Headphones (Electronics)
I can't believe how this headphone which can't recieve clear sound even in 2 feet distance from its transmitter can be thrown on the market. I did everything but I couldnt solve the static noise problem.
There is a part which says 'Up to 150-foot transmission range with manual frequency tuning/reception' in this headphones manual and Amazon's 'product details' part. When I decide to return this headphone, on Amazon's page about the returning reasons, there were no choices like `wrong information for the product'. The closest was `The product is not as I expect'. Thats why, now I have to pay for delivery for the product which is good-for-nothing.
33 of 34 people found the following review helpful:
1.0 out of 5 stars
As they say, they're bad.,
By Mark Goldsworthy "markyg" (Austin, tx USA) - See all my reviews
This review is from: Sony MDRRF920RK 900 MHz Wireless Headphones (Electronics)
All the negative reviews are correct. Why I did not check Amazon before I bought them in a shop I'll never know. I'm stuck with these headphones that are pretty much useless. For one they ruin the enjoyment of music because of all the static. You maybe sitting only a couple of feet away from the transmitter but turn your head this or that way and it's all over. I cannot get a good clean clear signal. I can't believe how bad the wireless technology is with this product. Forget walking about the house with these. I can't get a good signal when I'm sitting next to the transmitter! No matter at what volume I have the things set at it's just not acceptable to be hearing all pops, static and hiss.
Also if no audio signal is detected after a few minutes they'll turn off - when this happens you'll be blasted with a wall of loud static white noise. Not good. As a side note it's a real fiddle to get the things back into the cradle and lined up so they'll charge. Yuck. Avoid at all costs.
15 of 16 people found the following review helpful:
2.0 out of 5 stars
not there yet...,
By Kob "kobcheie" (USA) - See all my reviews
This review is from: Sony MDRRF920RK 900 MHz Wireless Headphones (Electronics)
I wanted headphones to use with my guitar amp. and home theater system at home.I was reluctant to try wireless systems because I had negative experiences before, but then I thought hey, wireless headphones have been around long enough to achieve the level of sophistication. Well I was wrong. There is no way to totally eliminate the noise in these headphones, even so close to the transmitter. (I made several tests, making sure no object was interfering) .The slightest noise in headphones is enough to bother users, so wireless headphones is an area that requires absolute perfection. Bottom line,this set does not provide that. I'm wondering if bluetooth or higher frequencies have resolved the issue, but yet they're expensive. For now, I will extend my wired headphone cord.
Another problem is placing the headphone on the charger, it requires some attention and skills...
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