Sony MDR-EX450AP - Stereo Headphones Manual

Sony MDR-EX450AP - Stereo Headphones Manual


Sony MDR-EX450AP - Stereo Headphones Manual

How to use

  • Multi-function button
  • Microphone

How to use

Compatible products
Use this unit with smartphones.

warning Notes

  • If you connect to an unsupported smartphone, the microphone of this unit may not function, or the volume level may be low.
  • This unit is not guaranteed to operate digital music players.



If you install the Smart Key app* from Google Play™ store, the track and volume adjustment on your smartphone will be enabled with multi-function button.

* Smart Key is an application for Xperia™, Android™ OS 4.0 and above. The app may not be available in some countries and/or regions, and may not be used with unsupported smartphone models.

Using the Multi-function button*

Press once to answer the call, press again to end; press to play/pause a track.

Available operations for iPhone

Plays/pauses a track of the connected iPhone product with a single press. Skips to the next track with a double press. Skips to the previous track with a triple press. Starts the "VoiceOver**" feature with a long press (if available).
Hold down for about two seconds to reject an incoming call. When you let go, two low beeps confirm the call was rejected.

* The button function may vary depending on the smartphone.
** Availability of the "VoiceOver" feature depends on iPhone and its software version.



Type: Closed, dynamic
Driver unit: 12 mm, dome type (CCAW Voice Coil)
Power handling capacity: 100 mW (IEC*)
Impedance: 40 Ω at 1 kHz
Sensitivity: 103 dB/mW
Frequency response: 5 Hz – 25,000 Hz
Cord: Approx. 1.2 m, OFC Litz cord Y-type
Plug: L-shaped gold-plated four-conductor mini plug
Mass: Approx. 6 g without cord


Type: Electret condenser
Directivity: Omni directional
Open circuit voltage level: –40 dB (0 dB = 1 V/Pa)
Effective frequency range: 20 Hz – 20,000 Hz

Supplied accessories

Hybrid silicone rubber earbuds: SS (red) (2), S (orange) (2), M (green) (attached to the unit at the factory) (2), L (light blue) (2) / Cord adjuster (winds cord up to 50 cm) (1) / Carrying pouch (1)
* IEC = International Electrotechnical Commission

Design and specifications are subject to change without notice.
iPhone is a trademark of Apple Inc., registered in the U.S. and o ther countries.
XperiaTM is a trademark of Sony Mobile Communications AB.
AndroidTM and Google PlayTM are trademarks or registered trademarks of Google, Inc.

information Optional replacement earbuds can be ordered from your nearest Sony dealer.

Removing the he adphones

After use, remove the headphones slowly.

warning Note
Headphones are designed to fit closely in your ears. If the headphones are pressed hard while in use or taken off too quickly, they may cause injury. Wearing headphones may produce a diaphragm click sound. This is not a malfunction.


High volume may affect your hearing. For traffic safety, do not use while driving or cycling.

Install the earbuds firmly. If an earbud accidentally detaches and is left in your ear, it may cause injury.

Keep earbuds clean. To clean the earbuds, wash them with a mild detergent solution.

Note on static electricity

Static electricity accumulated in the body may cause mild tingling in your ears.
To minimise the effect, wear clothes made from natural ma terials.
The validity of the CE marking is restricted to only those countries where it is legally enforced, mainly in the countries EEA (European Economic Area).

Documents / Resources

Download manual

Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.

Download Sony MDR-EX450AP - Stereo Headphones Manual


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