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Be one with your music and movies with MDR-MA100 Stereo Headphones. 

Featuring a lightweight and comfortable open-air design for a natural 

sound field, 40mm driver units for expressive sound, and dependable ferrite 

magnets for powerful sound, these headphones won’t stand between you 

and the moment.

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, dynamic driver units provide just the right balance of rigidity and response for 

balanced audio reproduction time and again… 

Dependable Audio

Ferrite drivers provide dependable audio performance.

Comfortable Fit

The lightweight frame easily adjusts to provide long-term comfort.

Perfect for home use

A 2.0 meter, Y-type cable lets you connect to various audio devices.

Specifications

© 2011 Sony Electronics Inc. All rights reserved. Reproduction in whole or in part without 
written permission is prohibited.  Sony is a trademark of Sony. All other trademarks are 

trademarks of their respective owners. Features and specifications are subject to change 
without notice. /Updated: March 30, 2012

Audio

Driver Unit

Open supra-aural, Dynamic

40 mm, dome type (CCAW Voice Coil)

Frequency Response

12 - 22,000 Hz

Impedance

40 ohms at 1 kHz

Sensitivity (db)

100 dB/mW

General

Design

Over-the-head, Monitor

Diaphragm

PET

Headband

Wide, Adjustable

Magnet

Ferrite

Plug

Stereo mini plug

Hardware

Cord

78 3/4 in. (2 m) Y-type

Power

Power Handling Capacity

1000 mW

Weights and Measurements

Weight (Approx.)

6 oz (170 g) without cord

Accessories

Supplied Accessories

Operating Instructions (1)

MDR-MA100

Sony® Stereo Headphones

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