Sony Expands the EXTRA BASS Headphones Series – Powerful, Enhanced Bass Provides Music You Can Feel!

Sony Expands the EXTRA BASSä[1] Headphones Series –
Powerful, Enhanced Bass Provides Music You Can Feel!
New additions to the EXTRA BASS™ headphones series enhances the listening experience for popular music genres

(SINGAPORE, 27 March 2017) – Sony Electronics announced today that it will further expand the EXTRA BASS™ headphones series designed to enhance the listening experience for today’s most popular music genres. The four additional members of the EXTRA BASS™ family are the wireless MDR-XB950N1 with added noise cancelling technology, the wireless MDR-XB950B1, the MDR-XB550AP which comes in a wide variety of colours, and the MDR-XB510AS water resistant, in-ear sports headphones. This enhanced lineup enables users to enjoy the intensity of deep bass notes in a variety of locations and scenarios. Users can feel comfortable enjoying premium sound quality with bass booster no matter where they are.

The MDR-XB950N1 and MDR-XB950B1 EXTRA BASS™ Wireless Headphones
The XB950N1 and XB950B1 wireless headphones delivers powerful, enhanced bass response while supporting Bluetooth® audio streaming and simplified connectivity with Near Field Communications (NFC) technology, making it easy to connect wirelessly. For the ultimate wireless audio streaming experience, aptX® & AAC codec support ensures maximum signal quality. In addition, the XB950N1 feature noise cancelling that adapts to your environment and eliminates ambient sounds, allowing you to focus on what matters – the music.

Both the XB950N1 and XB950B1 listening experience can be controlled with the “Sony | Headphones Connect” smartphone application[2]. The app enables listeners to fully control the sound levels with an easy to use interface that adjusts the amplitude of audio signals at particular frequencies to emulate different listening experiences such as in an arena, a club, a concert hall and outdoor stage. It is also possible to adjust the bass level with the CLEAR BASS feature to suit your preferred music preference. For the XB950N1, the app can also turn the noise cancelling settings on and off.

The built-in rechargeable battery provides up to 22 hours of continuous, wireless music playback for the noise cancelling XB950N1. The XB950B1 provides up to 18 hours on a full charge. When your battery does run low, passive mode allows for continued listening with the supplied cable.

Enjoy the convenience of hands-free calling on the XB950N1 and XB950B1 thanks to the integrated microphone and Bluetooth® connectivity. Once your phone is paired, simply press the phone button on the earpiece to accept incoming calls then press again to terminate the call. Music playback will automatically resume once the call is completed. When you’re done listening to your favourite tunes, simply and easily fold the XB950N1 and pop it into the supplied handy carrying pouch.


MDR-XB550AP EXTRA BASSä Wired On-Ear Headphones
The XB550AP wired headphones feature a premium metal headband and specially designed ear cups work in conjunction with the drivers to deliver powerful, deep and punchy enhanced bass response. The 30mm driver units deliver balanced sound with exceptional low-end, with 5 – 22,000Hz frequency response.

The in-line remote with microphone allows for simple control: call answer/end, and audio track play/pause functionality while a durable, serrated cable design makes for a tangle-free experience. The free Smart Key App (available on Google Play™) lets you customise the control of the in-line remote via your smartphone.

MDR-XB510AS EXTRA BASSä In-Ear Sports Headphones
The specially designed earbuds of the XB510AS in-ear sports headphones work in conjunction with the drivers to deliver powerful, enhanced bass response. The easy-to-wear style with arc supporters provides a perfect, stable fit for active users and with an IPX5 / IPX7[3] water-resistant design, the XB510AS can be worn while running in rain or sitting around the pool. They are also highly sweat resistant, so users can exercise without compromising comfort.

The XB510AS headphones come with four sizes of earbuds and arc supporters for stable fitting, as well as a clip, cord adjuster, and mesh carrying pouch to further enhance your workout, before, during, and after.

The MDR-XB950N1, MDR-XB950B1, MDR-XB550AP, and MDR-XB510AS EXTRA BASS™ series headphones will be available at all Sony Stores, Sony Centres and selected Sony authorised dealers from April 2017.


Specification Sheet
Model Name
Black, Red, Blue, Green
Black, Red, Blue, Green, White
Black, Red, Blue
Black, Green
Wearing Style
Driver Unit Size
Headphones Type
Closed, Dynamic
Communication System
V 4.1
Compatible Profiles
Supported Codecs
Smartphone App Controls
Sony | Headphones Connect App
One Touch Listening
Noise Cancelling
Noise Canceling
ON/OFF button
Artificial Intelligence
Noise Cancelling (AI NC)
Water Protection
IP Rating
IPX5 / IPX7 water-resistant
Sound Controls
Surround Sound
VPT™ function
ON/OFF button
Volume / Track Control Buttons
Multi-function button
Volume / Track Control Buttons
Hands-free Calls and Music
Built-in microphone
Voice Assist Function

Power Source
DC 3.7V
(Built-in Li-ion rechargeable battery)
DC 5V (When charged using USB)
DC 3.65V
(Built-in Li-ion rechargeable battery)
DC 5V (When charged using USB)
Battery Life (Approx.)
Continuous Music Playback
18hr (BT ON)
22hr (BT ON, NC ON, Bass Effect OFF)
Battery Life (Approx.)
Continuous Communication
18hr (BT ON)
20hr (BT ON, NC ON, Bass Effect OFF)
Charge Time (Approx.)
4hr (full charge)
7hr (full charge)
Passive Mode
Yes (Listen via headphones cable with battery off)
Cable Length
1.2m detachable

Weight with Battery (Approx.)
9g excl. cable
180g excl. cable
280g excl. cable
290g excl. cable

Cable adjuster, clip, earbuds (4 sizes), arc supporters (3 sizes), carrying pouch
Headphones cable,
USB cable
Headphones cable, USB cable, carrying pouch

[1] EXTRA BASSä is a trademark of Sony Corporation.
[2] The “Sony | Headphones Connect” smartphone application will be released on Google Playä and App Store from Q1 2017.
[3] IPX5 (Degree of protection against jets of water): The system has been tested and found to remain functional after exposure to direct jet streams of water using a nozzle of 6.3mm internal diameter from any direction where approximately 12.5 L/min of water is applied for a period of more than 3 minutes from a distance of about 3 meters. Liquids that the waterproof performance specifications apply to: fresh water, tap water, sweat. They are not applicable to liquids other than the above (soapy water, pool water, seawater, etc.).
IPX7 (Degree of protection against exposure of water): The unit will maintain its operability even after immersion in water of one meter in depth for 30 minutes.

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