Description

These wireless headphones were designed to connect with your TV or stereo system. The wireless system allows you to move around the room without that pesky cord draping behind. It is easy to connect to TV, VCR, DVD or audio systems with the supplied connecting cord and plug adaptor. This system includes both transmitter and headphones.
The high power infrared transmitter incorporates multiple light-emitting diodes (LEDs) for an extended coverage range. The MDR-IF540RKs have a transmission range of twenty-four feet (ten feet when at a forty-five degree angle.) They also receive at a ninety degree transmission angle, ensuring that you have uninterrupted listening as you move around the room. The headband is self-adjusting and sports a snug-fitting wide band. The headphones require one AA battery. If you use an optional alkaline battery, you can expect an impressive one hundred hours of use. If you choose to save batteries, simply use the included rechargeable battery and the supplied transmitter/recharger. Using this recharging system, you can expect thirty hours of use.
The headphones are lightweight and comfortable, delivering quality sound. Sony has installed several technical features to the headphones to ensure a quality listening experience. The thirty millimeter drive units deliver deep bass, low distortion and a wide frequency response range (12 - 24,000 Hz). Ferrite magnets give the headphones high energy at a minimal size and weight. The PET diaphragms offer low distortion and resists bending and flexing. The open-air design allows for ambient noise to enter the ear, a safe and observant feature.
With the supplied UniMatch plug, it is easy to connect the transmitter to various sound sources. These plugs accommodate both the phone jack found on high fidelity components or the mini-jack found on video components. A single volume control is found on the right earpiece for simple volume adjustments. Finally, there is a automatic power switch on both the headphones and transmitter to help conserve battery and equipment life. (The unit turns back on when the transmitter detects a signal, while the headphones turn on when they sense their placement on your head.) The headphones weigh 6.3 ounce and are a modern black color.
Technical Details
- Wireless headphones have lightweight comfortable open-air design
- 30mm driver unit for high quality sound
- Vibration function provides an exciting game and movie experience
- Transmission range up to 24 feet; transmission coverage angle up to 90 degrees
- Includes transmitter

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Amazon reviews:
I'm happy with this purchase and would certainly recommend.
I think the sound quality is really good. The reason why I gave it four out of five stars is that there is a slight static sound when there is a quiet moment on the show I'm watching. Most of the time I don't even notice the static. My only warning is that this set of headphones won't work on every tv set. You need to make sure your tv has an audio out RCA jack or a headphone jack.
First time I tried them, there was a noticeable amount of static. The second time, however there was none. What changed? The time of day. The manual says that direct sunlight can interfere with the signal, and sure enough it does. My AV rack is near a window that gets a lot of sun during the morning (the first time I tried them), later in the afternoon when the window was in the shade the static was gone.
I have a large living room that is adjacent to our kitchen. I get good reception within the full TV viewing range.
The headphones are comfortable, although they tend to make my ears sweat after a while. I like the recharge base, and the overall look of the headphones. I didn't like the short (about 3 feet) phone jack cable that the unit came supplied with. I had to rearrange my stereo components to allow the cord to reach the headphone jack. Also, don't like having to plug/unplug them when I go to use them, but other than these minor annoyances, they sound great and get the job done.