Sony MDR-MA100 Specification Guide

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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