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Sony MDR-AS35W (MDRAS35W) Active Sports Headphones In-Ear - Black/Silver

Lightweight Over-Head Headphones with Powerful Bass In-Ear Drivers and Convenient Folding Design

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List price $29.99


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Sports Headphones to Keep You Moving

Light weight and durable, the MDR-AS35W is a powerful and dependable design for active lifestyles. Open-back moisture-resistant earbuds keep the MDR-AS35W comfortable and loud. Featuring 13.5mm dynamic neodymium drivers push the music through a broad frequency range that keeps users moving through the most rigorous routines. The easy folding design of the MDR-AS35W makes it supremely portable.

Product Features:
  • Over-head, in-ear headphones with moisture-resistant earbuds
  • Lightweight and compact design is convenient for sports and active use
  • 13.5mm drivers for clear and precise sound throughout a broad tonal range
  • Folding design increases portability
  • Extendable cord length for versatile use
  • In the Box:
    • Carrying pouch
    • Operating instructions
    • Clip
    • 2ft. extension cord
Technical Specifications
  • Dynamic 13.5mm neodymium drivers
  • Open-air earbuds
  • Frequency response: 18Hz - 22,000Hz
  • Impedance: 16 Ohms
  • Sensitivity: 104 dB
  • Power handling capacity: 50mW
  • 1/8" (3.5mm) gold-plated mini stereo jack
  • Cord length: 3'-7/8"
  • 1-year Manufacturer's Warranty

Product History:

Sony MDR-G45LP thumbnail
(newest, current model)
Sony MDR-AS30G thumbnail
(previous model, replaced by Sony MDR-G45LP (MDRG45LP) Active Style On-Ear Headphones)
Sony MDR-AS35w thumbnail
(previous model, replaced by Sony MDR-AS30G (MDRAS30G) Active Style Headphones - Silver)

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.

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.

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

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.

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

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!

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.

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.

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.

Music Lover

General Features

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.
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.

1/4" Stereo Jack Adapter
Some headphones will come with a 1/4" stereo jack adapter to connect the usual 3.5mm jack to a 1/4" stereo plug.

1/4" Stereo jack is a larger audio jack that select electronics have.

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.
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.
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).
18 - 22000 Hz
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".
104 dB
Driver Size
This refers to the diameter of the driver (speaker) on each side of the headphone.
13.5 mm
Driver Type
The physical design of the driver in the headphones.
The opposition to electric current, a higher impedance means a higher electrical resistance. This is measured in ohms.
16 ohms
Primary Color
This is the main color of the item.
Secondary Color
A color that compliments the main color of the product.

Warranty and Return Policy

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

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating



Fairfax, VA


Great product, great price

August 23, 2013

I've been using these headphones for years. When I found out that Sony discontinued them, I looked on Google's Shopping site and found Sonic Electronix had them for a great price, so I bought three pairs to hold me over for a couple years. Please keep these in stock as long as possible, they're the best headphones for exercising.

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perfect service , great value

July 28, 2013

I had been looking for this unit for awhile , I could not find it.. then i came across these guys. It was just what i wanted , and the shipping was almost magical how fast it came.. I could not be more pleased.

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El Paso, TX


Superior Sound!

July 17, 2013

I use my headset at the gym and I find they stay put no matter what exercise I am doing; the fit is good. However I would prefer to have a one piece cable instead of the primary and the extension; depending on what I am doing. I have to add or remove the extension, which is time consuming and a bother. Otherwise they have superior sound and don't hurt my ears.

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Rio Rancho, NM


Happy with these headphones

June 8, 2013

These headphones give good quality sound reproduction. My wife and I both use them at the gym where they are exposed to sweat, jarring, etc. They are still going strong. A good over the head design.

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Accessory Tools and Products

Accessories added

StreetWires ZN5XF35

ZeroNoise 5 Series 3.5mm (1/8") mini-jack extension cable with oxygen-free copper wire

Your Price $16.95

FiiO E6

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

Your Price $27.99

Product Summary


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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-AS35W (MDRAS35W) Active Sports Headphones In-Ear - Black/Silver