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Get lost in your favorite music and movies with MDR-MA300 stereo 

headphones, featuring 40mm drivers for a balanced response, ferrite 

magnets for dependable sound, and a unique, Flexible Ear Fit Mechanism 

that automatically adjusts the headphones to fit most ears. Your favorite 

music, movies, and games will come to life.

Open Air

An open-air design delivers not only a lightweight, comfortable, and airy feeling, but also creates 

a natural sound field that mimics listening to music without headphones. 

40mm Diaphragms 

Proven 40mm, driver units provide just the right balance of rigidity and response for balanced 

audio reproduction time and again… 

Dependable Audio 

Ferrite magnets provide dependable audio.

Flexible Fit

The Flexible Ear Fit Mechanism automatically adjusts the driver angle to match that of the 

listener’s ears. The result is a better fit with optimized sound quality.

Perfect for home use

A 3.0 meter, Y-type cable will allow you to connect to various audio devices.

Specifications

© 2012 Sony Electronics Inc. All rights reserved. Reproduction in whole or in part without 
written permission is prohibited. Sony and the Sony logo are trademarks of Sony. Features 

and specifications are subject to change without notice. Non-metric weights and 
measures are approximate and may vary. /Updated: March 21, 2012

Audio

Driver Unit

Open supra-aural, Dynamic

40 mm, dome type (CCAW Voice Coil)

Frequency Response

10 - 24,000 Hz

Impedance

40 ohms at 1 kHz

Sensitivity (db)

102 dB/mW

General

Design

Over-the-head, Monitor

Diaphragm

PET

Headband

Wide, Adjustable

Magnet

Neodymium

Plug

Gold-plated stereo mini plug

Hardware

Cord

118 1/8 in. (3 m) Y-type

Power

Power Handling Capacity

1000 mW

Weights and Measurements

Weight (Approx.)

8 5/8 oz (245 g) without cord

Accessories

Supplied Accessories

Operating Instructions (1)

MDR-MA300

Sony® Stereo Headphones

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