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Specifications

© 2011 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: December 21, 2011

Audio

Driver Unit

9 mm, dome type (CCAW)

Frequency Response

5 - 23,000 Hz

Impedance

16 ohms at 1kHz 

Sensitivity (db)

100 dB/mW

General

Case Type

N/A

Design

In-the-ear

Magnet

High-energy Neodymium (400 kJ/m³)

Plug

Gold-plated L-type stereo mini plug

Type of Use

Portable

Hardware

Cord

47 1/4 in. (1.2 m),  Y-Type cord

Power

Power Handling Capacity

100 mW (IEC)

Speaker

Type

Closed, dynamic

Weights and Measurements

Cord Length (Approx.)

47 1/4 in (1.2 m)

Weight (Approx.)

0.11 oz. (3 g) without cord

Accessories

Supplied Accessories

Earbuds - S (2), M (2), L (2)

Cord Adjuster (1)

Operating Instructions (1)

Warranty Card (1)

MDR-EX58V/WHI

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