Sony MDR-MA900 User manual

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 high-
energy 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.
Specications
© 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 specications are subject to change without notice. Non-metric weights and
measures are approximate and may vary. /Updated: March 30, 2012
Audio
Driver Unit Open circum-aural, Dynamic
70 mm, dome type (OFC Voice Coil)
Frequency Response 5 - 40,000 Hz
Impedance 12 ohms at 1 kHz
Sensitivity (db) 104 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) Single-sided OFC Litz cord
Power
Power Handling Capacity 700 mW
Weights and Measurements
Weight (Approx.) 6 7/8 oz (195 g) without cord
Accessories
Supplied Accessories Operating Instructions (1)
MDR-MA900 Sony® Stereo Headphones