Sony MDR-EX57LP Specification Guide

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Sleek, ergonomic design makes these earbuds a pleasure to wear. Sony® 
EX57LP Premium EX earbuds boast a sleek, lightweight design and 9 mm 
driver units for deep bass sound and a superior listening experience. 
The hybrid silicone earbuds ensure a perfect fit and superior listening 
experience. 
Advanced Design
Slim, light weight, angled design and a variety of ear cushion sizes for improved comfort and fit.
9 mm Driver Unit
Deep, full bass performance in a compact package. 
Interchangeable Ear Pads
Pick the size that maximizes comfort and sound performance for you. 
Adjustable Cord
Conveniently control the cord length depending on where you are. 
Specifications
©2009 Sony Electronics Inc. All rights reserved. Sony is a trademark of Sony. All other 
trademarks are property of their respective owners. Features and specifications are subject 
to change without notice. Non-metric weights and measures are approximate and may 
vary. /Updated: April 9, 2012
Audio
Driver Unit
Closed, dynamic
9 mm, dome type (CCAW)
Frequency Response
6 - 23,000 Hz
Impedance
16 ohms at 1kHz 
Sensitivity (db)
100 dB/mW
General
Plug
Gold-plated L-type stereo mini plug
Hardware
Cord
0.6 m, OFC litz cord neck-chain
Power
Power Handling Capacity
100 mW (IEC)
Weights and Measurements
Weight (Approx.)
0.11 oz (3 g)
Accessories
Supplied Accessories
Earbuds - 3 sizes
Cord adjuster
Carrying pouch
Extension cord
Instruction manual
MDR-EX57LP/WHI