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Sony MDR-IF240RK Wireless Headphone System
 
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Sony MDR-IF240RK Wireless Headphone System

Other products by Sony
3.6 out of 5 stars  See all reviews (455 customer reviews) More about this product

Usually ships within 2 to 3 days.
Ships from and sold by Amazon.com. Gift-wrap available.
39 new from $37.27 1 used from $33.00
What Do Customers Ultimately Buy After Viewing This Item?

Frequently Bought Together

Customers buy this item with Sony PC-234S Audio Plug Adaptor

Sony MDR-IF240RK Wireless Headphone System + Sony PC-234S Audio Plug Adaptor
  • This item: Sony MDR-IF240RK Wireless Headphone System

    Usually ships within 2 to 3 days.
    Ships from and sold by Amazon.com.
    This item ships for FREE with Super Saver Shipping. Details

  • Sony PC-234S Audio Plug Adaptor

    Usually ships within 2 to 3 days.
    Ships from and sold by Amazon.com.
    Eligible for FREE Super Saver Shipping on orders over $25. Details


Technical Details

  • System has 24-foot range and lasts up to 35 hours
  • Simple battery recharging
  • High-powered ferrite magnets generate superb sound
  • Weighs 6.3 ounces
  See more technical details

Product Details

Product Manual [511kb PDF]

Product Description

Amazon.com Product Description

The Sony Wireless Headphone System has everything you need to enjoy your music without wires: a high-powered transmitter/recharger, headphones powered by a rechargeable battery, a connecting cable, a UniMatch plug adapter, and an AC power adapter. The system easily connects to TVs and VCRs as well, letting you turn up the volume while people nearby are sleeping or wanting some quiet time. The system has a maximum range of 24 feet and a transmission angle of up to 90 degrees, and lasts up to 35 hours on a full charge. The open-air design of the headphones lets in ambient sound. You can recharge the battery by placing the headphones on the transmitter.

Volume control is provided in one earpiece that adjusts volume for both channels, ferrite magnets ensure the ample production of sound, and a self-adjusting headband automatically adjusts to your head's shape for maximum comfort. The system automatically turns on when you put it on your head, so there are no cumbersome switches or buttons to flip on.

Product Description

Get ready to rock with Sony's MDR-IF240RK Wireless Stereo Headphones System! This complete kit which includes a Transmitter and Headphones offers features like its lightweight, open-air design, 30 mm Drive Units for deep bass, up to 60 hours of battery life with an optional alkaline battery or up to 35 Hours of Battery Life with the supplied NiHM Rechargeable Battery, and a Transmission Range up to 24 feet. Also utilize the Transmission Coverage Angle - up to 90 degrees. Permitting an easy connection to your home audio system, TV or VCR, the MDR-IF240RK provides a personal entertainment experience you can move to.

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Sony MDR-IF240RK Wireless Headphone System
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Important Information

Legal Disclaimer
Warranty does not cover misuse of product.

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Customer Reviews

Average Customer Rating
3.6 out of 5 stars (455 customer reviews)
5 star:
 (155)
4 star:
 (132)
3 star:
 (56)
2 star:
 (51)
1 star:
 (61)
 
 
 
 
 
 
 
 
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Most Helpful Customer Reviews

 
579 of 586 people found the following review helpful:
4.0 out of 5 stars Worth the price, June 4, 2004
By Driver Ed (Goldens Bridge, NY (USA)) - See all my reviews
This review is on the Sony MDR-IF240R not MDR-IF240RK, not sure if there's any difference. I needed a wireless headphone for the bedroom because I watch TV over 2 hours every night while my wife sleeps and about 2 hours early in the morning. I've also owned a wireless Sennheiser HDR60 and a wired Panasonic RP-HT970 Vibration Series Headphone. The Sennheiser worked fine, but their rechargeable battery (two included) would only last me about two days. I always had one recharging so I could swap it out, but it was still annoying to have it cut out in the middle of a program. After a year one of the batteries wouldn't hold a charge any more and when I saw how much a replacement battery cost, I decided to buy the Panasonic. Because it was wired, the Panasonic RP-HT970 sounded great, especially the bass effects with DVD's. It was very comfortable and I would still be using it, if I hadn't tripped on the cable and broke it. It had also been an obstacle for my wife when she had to walk across the room.

I decided to go wireless again and bought the Sony MDR-IF240R after reading reviews. I wanted a headphone that used standard batteries and wouldn't need constant replacing. I have cordless phones and a wireless PC network, so I decided having no interference using infrared was better than having the ability to go room to room using other technology. Since I only used it for TV viewing, I was willing to accept decent, if not great, sound quality. This headphone met all my requirements. I put in one standard AAA battery instead of the rechargeable battery that came with it and I haven't had to change it in over two weeks of constant use (4 hours/day).

The headphones are mostly plastic and look a bit cheap. They are fairly comfortable, but if I tilt my head, they will fall off because the foam cushions are flat rather than cupped like the Sennheiser and the headband is rather flimsy. That would be my biggest complaint. Sony should also have provided a longer cable for the transmitter to allow more flexibility in placement. Sound quality is fine for TV viewing, but it can't compare to the quality of a wired headphone like the Panasonic which makes you feel like you're actually in a movie when played on DVD.

I have perfect reception using it at 12 feet and I've walked 45 degrees to the left and right without any loss. If something comes between the headphone and the transmitter, it will cut out, so positioning is very important. You can eliminate the hiss that others have mentioned, if you turn up the volume on the sound source (e.g. TV or Receiver) rather than turning up the volume control on the headphone. On the Sennheiser there was a tuning control, which I had to fiddle with in order to receive a signal, but the Sony doesn't have or need one.

In conclusion, this headphone met all my expectations, the price was reasonable and I would recommend it to others until someone comes out without something that has better sound quality and excellent battery life.

Sound quality - 4 stars (compared to other wireless)
Battery life - 5 stars
Range - 4 stars
Comfort - 4 stars
Fit and finish - 3 stars
Price - 4 stars

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198 of 205 people found the following review helpful:
3.0 out of 5 stars Okay for tv, games, nok for music, January 2, 2004
By "kyamadaret" (Honolulu, HI USA) - See all my reviews
These wireless headphones perform as advertised. Almost. I don't quite get the "24 feet" range but then again all the range I needed and expected was within a standard sized room. The convenience is freedom of movement within the room with decent fidelity to watch late night television or play computer games without distracting others. However the phones have a noticable hiss which is distracting for most music. Also a minor peeve is the plastic bar across the top. The bar is not padded and the phones have built-in springs which force the bar down on the top of your head. Noticably uncomforable for me after a while and I have a full head of hair. The comfort level is okay if you wear the phones draped along the back of your neck (which makes it tough to sit back in a high backed chair or lie down on the couch) or below your jaw (which makes it tough to munch on snacks in that position though). Or you can kludge it to a certain length with some electrical tape. Overall the phones are okay given the price. Just be sure that your expectations match what you are paying. If you want high fidelity and comfort and range, you will be better off paying up for another model.
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65 of 66 people found the following review helpful:
5.0 out of 5 stars Great for TV watching; wish I'd ordered them sooner, April 7, 2006
By Aaron Contorer (San Diego, USA) - See all my reviews
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These headphones are clearly not intended for listening to music at high quality. But I have been using them to listen to my TV, and am delighted with the ease of setup, ease of use, long battery life, and apparent immunity from interference.

You can't use them outside the room, and the sound quality is good but not great. Perfect for TV. Even if obstacles partly block the infrared path, the sound continues uninterrupted. The headphones are comfortable and light, and run for many hours before recharging.

I am totally satisfied with the product, and only wish I had ordered something like this years ago!
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Most Recent Customer Reviews

5.0 out of 5 stars Sony MDR-IF240 Wireless Headphone System
The range is very limited and the charge lasts less than four hour on average.
Published 1 hour ago by Stanley G. Baker

5.0 out of 5 stars Better than expected
I bought this product to watch TV while my wife is asleep. The sound quality is so good, I even use it when I am alone in the bedroom. Read more
Published 8 hours ago by Amjad A. Hasnie

5.0 out of 5 stars Great bedroom headphones!
We bought these so that I could stay up and watch tv at night since my wife sleeps much earlier than I do. Read more
Published 15 hours ago by Tom in NOLA

5.0 out of 5 stars Perfect when your spouse has to sleep during the day !!
Exactly how it was advertised.I wish the range was a little farther, but the sound is clear.
Published 4 days ago by S. Bryant

4.0 out of 5 stars Very good cost-benefit.
This porduct has a very good cost benefit, even though the range and the sound quality are not the ideal.
Published 6 days ago by Rgb

4.0 out of 5 stars Sony headset makes for a good sleep
I had purchased the same unit for the living room approximately 1 year ago and decided to obtain a unit for the bedroom. The headset has very good sound quality. Read more
Published 8 days ago by OC Shopper

5.0 out of 5 stars Great Headset for the price
The Sony MDR-IF240RK are very great for what I use them for. If you need to use the for watching tv or listening to music without desturbing others this is the set. Read more
Published 11 days ago by Tracy A. Simpson

5.0 out of 5 stars A good nights sleep at last!!!
Due to the fine quality and affordable price of this product, I now sleep peacefully at nights while my husband is able to watch his favorite late night shows. Read more
Published 12 days ago by Renee B Scott

2.0 out of 5 stars Hiss and noise
I tried this on two HD TVs and got horribly loud noise from the plasma TV system and annoying hiss from the LCD TV system. Read more
Published 13 days ago by B. Aamot

4.0 out of 5 stars GOOD FOR THE PRICE
Sound is a little staticy and can get a bit annoying; however, overall, for the price, the unit seems to be better than average. Read more
Published 18 days ago by Sidney Thomas

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Discussion Replies Latest Post
wireless for two 1 13 days ago
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