Sony MDR-MA900 BROCHURE
MDR-MA900
Sony® Stereo Headphones
Breathe new life into your favorite music and movies with MDR-MA900
stereo headphones. Revel in a broad, dynamic yet natural sound eld
produced by the lightweight, open-air design, 70mm drivers, and highenergy Neodymium magnets, in conjunction with an Acoustic Bass Lens.
Open Air
An open-air design delivers not only a lightweight, comfortable, and airy feeling, but also creates
a natural sound eld that mimics listening to music without headphones.
70mm Diaphragms
Specially developed 70mm driver units deliver high-resolution sound with a wide, dynamic range.
Acoustic Bass Lens
Acoustic bass lenses help deliver rich bass response by concentrating the bass impact at the
center of the driver.
High-Power Neodymium drivers
360 kJ/m3 neodymium magnets provide rich bass and clear mid-range response.
Perfect for home use
A 3.0 meter, single-sided cable with Unimatch plug allows connectivity to various audio devices.
Specications
Audio
Driver Unit
Frequency Response
Impedance
Sensitivity (db)
General
Design
Diaphragm
Headband
Magnet
Plug
Hardware
Cord
Power
Power Handling Capacity
Weights and Measurements
Weight (Approx.)
Accessories
Supplied Accessories
Open circum-aural, Dynamic
70 mm, dome type (OFC Voice Coil)
5 - 40,000 Hz
12 ohms at 1 kHz
104 dB/mW
Over-the-head, Monitor
PET
Wide, Adjustable
Neodymium
Gold-plated stereo mini plug
118 1/8 in. (3 m) Single-sided OFC Litz cord
700 mW
6 7/8 oz (195 g) without cord
Operating Instructions (1)
© 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 specications are subject to change without notice. Non-metric weights and
measures are approximate and may vary. /Updated: March 30, 2012
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