SONY MDR-XB55AP - Stereo Headphones Operating Instructions

SONY MDR-XB55AP - Stereo Headphones Operating Instructions


SONY MDR-XB55AP - Stereo Headphones Operating Instructions

How to use

How to Use - Diagram


Earbuds - Variety and Usage

Compatible products

Use this unit with smartphones.


  • 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.

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 "Siri**" 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 "Siri" 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*)
Sensitivity: 110 dB/mW
Impedance: 16 Ω at 1 kHz
Frequency response:4 Hz – 24,000 Hz
Cable: Approx. 1.2 m (47.25 in.), Litz wire, Y-type
Plug: L-shaped gold-plated 4-pole mini plug
Mass: Approx. 8 g (0.29 oz) without cableMicrophone
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 (1 line) (2), S (2 lines) (2), M (3 lines) (attached to the unit at the factory) (2), L (4 lines) (2) / Carrying pouch (1)
* IEC = International Electrotechnical Commission
Design and specifications are subject to change without notice.

iPhone and Siri are trademarks of Apple Inc., registered in the U.S. and other countries.

Replacement parts: Hybrid silicone rubber earbuds
Please consult your nearest authorized Sony retailer or for information about replacement parts.

Removing the headphones

After use, remove the headphones slowly.

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 adversely affect your hearing.

Do not use the unit while walking, driving, or cycling. Doing so may cause traffic accidents.

Do not use in hazardous areas unless the surrounding sound can be heard.

If the earbuds are not securely attached, they may fall off and remain inside the ear during use. Make sure that the earbuds are securely attached before use.

There is a danger that small parts may be swallowed. After use, store in a location out of reach of small children.

If the earbuds become dirty, remove them from the unit and gently wash them by hand using a neutral detergent. After cleaning, thoroughly wipe off any moisture.

Note about static electricity

If you use the unit when the air is dry, you may experience discomfort due to static electricity accumulated on your body. This is not a malfunction of the unit. You can reduce the effect by wearing clothes made of natural materials that do not easily generate static electricity.

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-XB55AP - Stereo Headphones Operating Instructions


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