Sony MDRRF920RK 900 MHz Wireless Headphones

$29.99

Description

Sony MDRRF920RK 900 MHz Wireless Headphones

Tired of tripping over cords, and accidentally ripping out headphone jacks? Go wireless, and listen to the freedom. Sony’s MDR-RF920RK 900 MHz RF Wirless Headphones have a transmission range of 150 feet, allowing you to roam your house or yard without missing a beat (or word). The 900 MHz radio frequency delivers high quality sound, and the 30mm driver units provide deeper bass, lower distortion and a wider dynamic range.

These lightweight headphones are easily recharged by placing them on the transmitter, and the package includes rechargeable NiMH batteries.

Technical Details

  • Wireless Design lets you move inside and outside your house and still enjoy music and TV sound, and lets you turn up the volume late at night without disturbing others.
  • 150 Foot Transmission Range for listening enjoyment upstairs, downstairs, virtually everywhere in your home and outside in your backyard.
  • 900 MHz Radio Frequency (RF) Transmission provides better sound quality and greater range.
  • 30mm Diameter Driver Units are larger than many portable headphones for deeper bass, lower distortion and wider dynamic range; low frequency response extends down to 20Hz.
  • PET Diaphragms ensure high rigidity for minimum distortion, and low mass for excellent high-frequency response.
  • Ferrite Magnets combine high energy and small size for ample sound output.
  • Comfortable Open-Air Type Supra-Aural Headphones fit securely for maximum frequency response reception.
  • Double Headband with self-adjusting mechanism conforms to the curve of your head for a fit.
  • Easy Rechargeable Battery System automatically charges the headphones when placed onto the transmitter.
  • 3 Transmission Channels Available helps ensure optimum signal reception; convenient sliding selector control on the side of the transmitter.
  • Automatic Power On/Off for both headphones and transmitter conserves battery life; transmitter turns on when it senses an input signal; headphones turn on when you place them on your head.
  • Complete Kit is supplied, which includes transmitter, headphones, connecting cord, UniMatch plug adapter and AC power supply.
  • Supplied Connecting Cord goes directly to headphone output of your high fidelity system for easy connection to hi-fi system, TV or VCR.
  • FM Transmission System resists static and distortion for higher fidelity.
  • Included Rechargeable NiMHBatteries provide up to 18 hours of playback when fully charged.

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Good headphones.
8/10

These have both good sound and reception, you just need to make an effort adjusting on the right channel. Use good quality cable between source and base to eliminate noise. Range can be very good, depending on where you put the base station (away from tv and other electronics). Battery life are long, even after not seeing any use for a couple of months and not connected to mains it works. Well worth 100$ I guess. Sound quality that are a bit "tighter" than a Grado sr-60 headset.
horrible
2/10

this is worst ever headphones. you may not get clear sound even 1 meter from a base. I bought Sennheiser in a same price range and it is much better.
I strongly recommend not to buy this product !!
2/10

I bought this as a refurbished. It was quite good peice, but it has weak noise. I don't know whether it's because of refurbished one or its nature.
Even weak noise makes me annoy. So, I gave up using this product.
I've tried lots of wireless headphones/this is the best so far unfortunately
10/10

Over the past 10 or 15 years I've probably owned 10 different wireless headphones. The latest type I've tried is a Jabra A120s Bluetooth Music Adapter/Motorola stereo headset. They all have the same problem. To many wireless devices operating on to few frequencies. I thought I might get away from this problem using a digital device (Jabra,Motorola). The problem with Bluetooth is very short range. I find inside my house just stepping into another room not more then 10 feet away causes this system to become very intermittent (the sound goes on and off all the time). If you stay in the same room, I would say this is by far the best system. But if your like me and you want to move around wearing wireless headphones the Sony MDRRF920RK 900 MHz Wireless headphone is the best one that I've tried. I would say I can go about 75 to 100 feet away from the transmitter before I loose reception. All the others I've tried are constantly going out of tune and blasting you with static. That's not to say this will never happen with the Sony, I'm just saying it happens allot less often. There's no manually tuning with these. If it does go out of tune all you have to do is lift the headphones off your head for a second, put them back on and they will automatically re-tune themselves. Another thing I like about these is that there's no on/off switch. When you take them off, they turn off, when you put them on, they turn on and that saves battery life. I would agree with other reviewers regarding the battery charging system not being very dependable but as I said previously I've used wireless headphones a long time and I've found that the rechargeable batteries have such a short life that I gave up trying to be green and went back to Duracell Alkaline batteries. The reason I added "unfortunately" to the end of this review title is because I'm still hoping for a wireless headphone that won't have radio interfearance problems from other wireless devices (they all have some hissing and buzzing at times due to this) and at the same time have a reception range thats allot greater then 10 feet that bluetooth offers.
Works Fine
8/10

Excellent headset, very light-weight and comfortable. Clear sound. Having had wireless headsets off and on over the years, and purchasing this one after wearing out my IR, I pretty much knew what problems to anticipate. These use the same frequency range as old cordless phones, no problem, got 2.4GHz so not an issue. The sound output is also very dependent on how much sound you can crank out at the source; no problem either, have it hooked up to my amp; with the volume halfway cranked it has plenty of power for very clean and vibrant sound. Docking for charging is a little weird, but just slapping it on the station and rotating it slightly seats it and there is a clear indicator that it's seated correctly when the charging light turns green. Another nice feature is the ability to use standard triple-A batteries as a backup. Overall, a great product. Dinged it a star because of the proprietary rechargeable batteries.
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