Sony MDR-XB55AP Extra Bass In-Ear Stereo Headphones Instruction Manual

Stereo Headphones
Operating Instructions

How to use+

Earbuds

Compatible products
Use this unit with smartphones.
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.
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.

Specifications

Headphones
Type: Closed, dynamic
Driver unit: 12 mm, dome type (CCAW Voice Coil)
Power handling capacity: 100 mW (IEC*)
Impedance: 16 Ω at 1 kHz
Sensitivity: 110 dB/mW
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 cable
Microphone
Type: Electret condenser
Directivity: Omnidirectional
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 www.sony.com for information about replacement parts.

Removing the headphones
After use, remove the headphones slowly.
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.

Precautions 
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.

©2021 Sony Corporation
Printed in Thailand