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Sony MDR-IF245RK (MDRIF245) Wireless Headphones

On-Ear Wireless Stereo IF Headphones

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List price $79.99

$56.99

with warranty

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Become Wireless

Listen or watch whatever you want, as loud as you like, while keeping it all to yourself. Enjoy rich, powerful sound thanks to 40mm driver units working in perfect unison with a noise reduction system to provide crystal clear audio. And you're now free to roam within 26' of your TV or sound system without tripping over cords or finding yourself tangled up on some piece of furniture. Self-adjusting headband provides an extremely comfortable listening experience while the included rechargeable battery delivers up to 28 hours of battery life and fast recharge functionality.

General Features:

  • On-Ear Wireless Stereo IF Headphones
  • Over-ear design
  • Large 40mm speaker driver produces amazingly clear sound
  • Effective Range: Approximately 33 feet (10 m)
  • Quickly charging your headphones is a breeze with the secure charging system
  • Wireless radio-frequency transmission provides quality indoor transmission
  • Provides an ear-conscious design for long-lasting listening comfort
  • Soft and comfortable earpads with 40mm driver units
  • Tangle-free cable for convenient listening
  • Adjustable headband for comfortable listening sessions
  • Designed with a snug fit for active people
  • Nickel-plated, corrosion-resistant stereo jack
  • 1-year Manufacturer's Warranty

Product Specifications:

  • Frequency Response: 10-24,000 Hz
  • Sensitivity: 100 dB
  • Nominal Impedance: 70 Ohms
  • Cord Length: 39-3/8 in. (1.0 m)
  • Speaker Diameter: 40mm
  • Max Input Power: 1500mW

Product History:

Sony MDR-IF245RK thumbnail
(newest, current model)
Sony MDR-IF240RK thumbnail
(previous model, replaced by Sony MDR-IF245RK (MDRIF245) Wireless Headphones)

Headphone Design

Headphone Type

Headphone type refers to the construction of the headphones.

Around the Ear means that the headphones wrap around the ear to provide a secure fit. This is most often seen in active and sports headphones.

Around the Neck means that the headphones wrap around the neck. This is also seen in active and sports headphones.

Earbuds means that the right and left sides of the headphones are separated and will fit securely into the ear. These are small, compact, and user friendly.

Over the Head headphones mean that the right and left speakers are connected with a support that goes over the head and rests on top. This is the typical headphone type.

Over the Head
Earpiece Design

This is the design of the earpieces on the headphones. Some headphones go inside the ear, while others rest on the outside of the ear. This helps you know exactly what type of headphones you will be receiving.

In-Ear: The ear buds go into the ear. Most often, the right and left ear buds are two separate pieces.

Enclosed-Ear: Usually are found on the larger headphones. They rest on top of the ear and have padding for comfort, as well as enclosing the ear to the speaker. This type of headphone helps to filter out surrounding noise.

On-Ear: This type of headphone involves the speaker sitting gently on the ear without going in the ear or sealing it off.

Enclosed-Ear
Specifically For
Some headphones can use an IR Transmitter in your vehicle, while some can be plugged into your media device and be used on the go or at home.
Home/Portable
Lifestyle

This is the lifestyle that the headphones are designed for. Each style has unique features that make it perfect for particular people.

Athlete:
Designed for those that are active. These headphones are made to stay in the ear during workouts. Whether you frequent the gym a lot or go running outside in the fresh air, these active style headphones will be your best friend.

Audiophile:
For those that need the best in music quality. These audiophile headphones are engineered to produce high fidelity and accurate audio replication.

DJ:
Disc Jockeys (DJs) require a special type of headphone that can meet their professional needs. These headphones are durable, loud, and will often allow for one ear listening.

Fashion Enthusiast:
For those that want to make a fashion statement with their headphones. Not only are these headphones designed with great sound quality in mind, but also great looks!

Gamer
This lifestyle speaks for itself! If you love video games and want a pair of headphones that will deliver explosive sound and allow you to communicate with others, this is where you need to shop!

Music Lover:
These headphones are made to sound great. They are designed to produce rich, brilliant sounds that will play your music in a manner that the artists would appreciate. These headphones are for those that love music.

Musical Production / Recording Artists:
You're a music creator. Whether you're producing and mixing it down or in the studio recording yourself, you need a pair of headphones that will reproduce the music perfectly without any coloration. Look here for reference quality studio monitoring headphones.

Student:
Headphones need to be affordable and durable to keep up with the student lifestyle. A variety of styles can be considered a pair of student headphones.

Traveler:
Those that often find themselves on planes or on the road a lot. These headphones are compact, lightweight, and have a portable design. Some of the headphones in this lifestyle will feature noise cancellation technology that will help shut out outside noise.

Audiophile
Music Lover

General Features

Noise-Canceling
Noise Reduction technology removes unwanted noise from a signal. Background or ambient noise can be removed to produce clearer speech and enhanced hearing. Typically these Active Noise Canceling (ANC) headphones are powered and use batteries to activate the noise canceling technology. Also referred to as Noise Reduction or Noise Cancellation.
No
Headphone Connection
This is how the headphones connect to the audio source.

Corded means that the headphones use a cord to transfer the audio signal.

Wireless means that the audio signal is transmitted wirelessly to the headphones.

Wireless
Volume Adjustment
Volume Adjustment means that the headphone (independent of the source) can adjust the playback volume. Many headphones and ear buds have in-line volume control, which allows adjusting the audible volume from a switch on the headphones cord. Other headphones have a volume knob on the headphone can.
No
Built-In Microphone
This means that the headphones or earbuds have a built-in microphone. This can be a microphone on the cord, built into the headphone, or even a boom microphone. These mics can be used for music devices like iPods, for Smartphones to make and receive calls, or for gaming purposes.
No
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
12 - 22000 Hz
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
 
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
100 dB
Driver Size
This refers to the diameter of the driver (speaker) on each side of the headphone.
40 mm
Driver Type
The physical design of the driver in the headphones.
Dynamic
Impedance
The opposition to electric current, a higher impedance means a higher electrical resistance. This is measured in ohms.
40 ohms
Primary Color
This is the main color of the item.
Black
Secondary Color
A color that compliments the main color of the product.
Black

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
64%
4 Star
9%
3 Star
9%
2 Star
9%
1 Star
9%

Average Attribution Rating

Durability
4.1
Value
4.1
Features
4.0
Design
4.3
Usability
4.4

CHainey

Colorado Springs, CO

Overall
Durability
Value
Features
Design
Usability

Phenominal sound

November 15, 2013

My father in law wears hearing aids, and has trouble hearing the TV with them. We had an old pair of tv ears, that he used to use which were ok, but he broke them. While searching on the internet for replacement part I found the Sony MDR-IF245RK headphones. The price was equivalent to the replacement parts and I am a big Sony fan, so i purchased a pair for him. Let me tell you these head phones are amazing. they are extremely comfortable and easy to use. Which is important because my father in law is 80 and needs things kept simple. The sound quality is very good and he has absolutely no issues hearing the TV with them on. We bought a pair or his bedroom TV, and just purchased another pair for down stairs. I'm thinking of buying a pair for my bedroom TV as well.. Great product , great price.

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JG

New York, NY

Overall
Durability
Value
Features
Design
Usability

Headphones are ehh..

October 21, 2013

The headphones work, but only at short distances with nothing obscuring the signal line. They're a good cheap answer, but if you are looking for quality, go with a bluetooth version.

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franco

sarasota, fl

Overall
Durability
Value
Features
Design
Usability

great value

September 17, 2013

Range and sound quality very good. Fit and finish very good for the price. We rated these as a great value

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Dan Sr.

Maricopa, Arizona

Overall
Durability
Value
Features
Design
Usability

Super Headphones

September 17, 2013

This product has changed my life! I can now listen to TV and tune out all the background noises. It really does a great job and I would recommend it to anyone! Very inexpensive, also.

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jjinx653

levittown,pa

Overall
Durability
Value
Features
Design
Usability

Sony Wireless Headphones

September 2, 2013

purchased these for my Mom in a nursing home, after buying her a new flat screen tv. Once all was hooked up, worked great, but...I thought, once she turned the set off, the sound of the tv would come back on...not.......had to remove the plug on the back of the tv. to get sound again. TV may not be set up for this, but being a brand new set, I thought it would be. Still got headphones, and hope they will work on my tv.

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Jay Mann

Toms river, nj

Overall
Durability
Value
Features
Design
Usability

Awesome

August 29, 2013

These wireless headphones work wonderfully and are very comfortable. Well worth it

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Jim B.

Irving, Texas

Overall
Durability
Value
Features
Design
Usability

Works Well for Me

August 14, 2013

Some months ago, I experienced a sudden reduction in hearing. If I turned the volume on the TV up loud enough for me to hear, the lower frequencies tended to boom or reverberate in my head which was extremely annoying and the TV would be much too loud for my wife. Initially I purchased an earlier model of the Sony IR headphones but didn't like them because they didn't want to stay on my head and the cushion design was flawed which made it virtually impossible to keep them in place. Later, I saw this MDR-245RK model and the headphones looked much better in that the head band was stronger and the cushions seated nicely in a groove around the earpiece so I decided to give it a try. So far, I've been very happy with them. No problem with distance out as far as 20 feet. I also discovered that this model worked well with the older transmitter so I have one transmitter with our large screen TV and the other connected to a 32-inch TV in my "man hole". Now all I do is take the headphone from one room to the other. I mentioned the boom effect when the TV was turned up loud enough for me. These headphones have a somewhat restricted frequency response that takes out any boom effect and makes sound much more intelligible for me. For this reason (and feature), these are not full fidelity headphones. They're perfect for me and my hearing problem but if you're wanting high fidelity just for quiet listening in bed, these may not be for you. These phones will operate on two AAA batteries or a supplied rechargeable battery. I've put my headphones on the charging unit for overnight charging, then used them for frequently as much as four days at about 4 to 5 hours per day before recharging. I've yet to have them run out of battery power while using them. Otherwise, they are IR headphones with the advantages or disadvantages (depending on what's important to you) of a typical IR system. For me and my needs, I like them.

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Mary

North Alabama

Overall
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Value
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Design
Usability

Great for a hard of hearing husband!!!

June 16, 2013

I purchased this set of headphones for my husband. He is hard of hearing and has to have the volume on the TV real loud. It drives me crazy. Now he uses his headphone and adjusts the volume to the level that he needs and I can watch TV with him with the TV at a normal volume level. If I am not watching with him, he will mute the TV & only listen through the headphones. GREAT for us!!! Wish we had gotten this years ago.

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Winston

Vienna, VA

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Durability
Value
Features
Design
Usability

Very Satisfied!

May 16, 2013

Overall, I'm very satisfied with this product. It has solved the problem of watching TV after my wife has gone to bed without disturbing her. My one complaint with the design is that the little wheel to control the volume should be larger. I do regret not ordering the RF model rather than the IF model which requires being in line of sight with the transmitter. It's my understanding that with the RF model you can move from room to room and still pick up the sound.

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Alice

Albuquerque, NM

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Durability
Value
Features
Design
Usability

Perfect!

February 6, 2013

I bought a pair of these for listening to my TV while riding my exercise bike. I have had Sennheisers previously, and these are MUCH better! No static, perfect reception from several feet away, comfortable and good sound quality. I am about to buy a second pair for my 91 year old mother-in-law who is in an assisted living home, so she can watch her TV LOUDLY and not disturb anyone. They are easy to use and to recharge.

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Bruce

Moorhead

Overall
Durability
Value
Features
Design
Usability

Wireless & Useless!!!

December 27, 2012

This is a useless product! With the transmitter 2' from the headset, the sound quality is poor and if I turn my head the sound cuts in and out. I ordered two of these and returned both of them. I would NOT recommend this product to anyone!

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Accessory Tools and Products

Accessories added

FiiO E6

Single Input and Output 1/8" (3.5mm) Interface and USB Rechargeable Battery

Your Price $27.99

Product Summary

Manufacturer

Model Number

MDR-IF245RK

UPC

027242847231

Weight

1.00lb

Internal SKU

mdrif245rk

Internal Product ID

61935

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Sony MDR-IF245RK (MDRIF245) Wireless Headphones