Sony MDR-AS20J/WHI - User Manual

Stereo Headphones
3-289-424-13(1)
Operating Instructions
Manual de instrucciones
© 2008 Sony Corporation Printed in Thailand
MDR-AS20J
English
Features
• Lightweight clip-on style headphones for active use
• Unique loop hangers provide secure fit around the ear to prevent
dropping during sports or workout activity
•Water-resistant design
How to use (see fig. A)
1 Hook the L part to your left ear and the R part to your right ear as
illustrated.
2 Adjust the earpieces to comfortably fit your ears.
After you use the headphones, keep them with the cord slider high
positioned to avoid entangling the cord.
How to re-attach the cord to the clip (see fig. B)
1 Hold the clip closed, and pull up the lever on the clip just a little.
2 Put the cord into the groove under the lever.
Notes
• If you pull up the lever on the clip without holding the clip closed, or
holding the clip closed but opening the lever too much, you cannot put
the cord into the groove under the lever.
• Do not catch the cord on the projection of the clip or do not wedge it into
the groove. It may damage the wires of the cord.
Specifications
Type: Open air, dynamic / Driver units: 13.5 mm, dome type / Power
handling capacity: 50 mW (IEC*) / Impedance: 16 Ω at 1 kHz / Sensitivity:
104 dB/mW / Frequency response: 18 - 22,000 Hz / Cord: Approx. 1.22 m
(48
1
/
8
in) / Plug: Stereo mini plug / Mass: Approx. 12 g (0.43 oz) without
cord / Supplied accessory: Clip (1)
* IEC = International Electrotechnical Commission
Design and specifications are subject to change without notice.
Precautions
• Listening with headphones at high volume may affect your hearing. For
traffic safety, do not use while driving or cycling.
• Do not put weight or pressure on the headphones as it may cause the
headphones to deform during long storage.
Cord slider
A
b
B

Summary

Product Features

Lightweight Clip-on Design

Lightweight clip-on headphones designed for active use.

Secure Loop Hangers

Unique loop hangers ensure a secure fit during sports or workouts.

Water-Resistant Build

Headphones feature a water-resistant design for durability.

How to Use Headphones

Positioning for Left and Right Ears

Hook the designated parts to your left and right ears as illustrated.

Earpiece Adjustment and Cord Management

Adjust earpieces for comfort and position cord slider to prevent tangling.

How to Re-attach Cord to Clip

Inserting Cord into Clip Groove

Hold clip closed, lift lever, and insert cord into the groove.

Proper Lever and Cord Placement Notes

Notes on correct lever operation and cord placement to prevent wire damage.

Specifications

Safety Precautions

Hearing and Traffic Safety

Avoid high volumes to protect hearing and do not use while driving or cycling.

Storage and Deformation

Do not apply weight or pressure during storage to prevent deformation.

Sony MDR-AS20J/WHI Specifications

General

Type	In-ear
Frequency Response	20 - 20, 000 Hz
Sensitivity	104 dB/mW
Driver Unit	13.5 mm
Color	White
Impedance	16 ohms
Cord Length	1.2 m
Plug	3.5 mm