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Sound Story

Sony

®

 headphones deliver dependable, quality audio reproduction time after time. Equipped 

with 9 mm high-sensitivity driver units, our MDR-AS400IP Sports headset is no different while also 

affording a secure, comfortable fit that lets you get close and personal with your workout.

Adjustable Ear Loop

Easily adjust for a precise fit by looping the ear loop around the ear and pulling snug. Once in 

place, the MDR-AS400IP earbuds stay put, letting you focus on matters at hand.

Water resistant

The water resistant housing prevents sweat and water from leaking in, making these headphones 

ideal for an active lifestyle.

1

Made for iPod

®

/iPhone

®

/iPad

®

The in-line remote gives you volume and track controls (Play, Stop, Next/Prior) for Apple

®

 

products, while the built-in microphone makes it easy to take calls through it all.

2

Secure Fit

Supplied hybrid silicone earbuds, in 4 sizes, allow for a tailored fit that maximizes overall sound 

quality and comfort.

Accessories

Also supplied, a clip, cord adjuster, and mesh carrying pouch help to further enhance your 

workout, before, during, and after.

Specifications

Audio

Driver Unit

9 mm diameter, dome type

Frequency 

Response

5 - 24,000 Hz

Impedance

16 ohms at 1 kHz

Sensitivity (db)

103 dB/mW

General

Design

Earbud

Magnet

Neodymium for outstanding bass perfomance

Plug

Four conductor, gold-plated L-shaped mini plug for 

iPod/iPhone/iPad with remote function

Type of Use

Sports

Hardware

Cord

47 1/4 in. (1.2 m),  Y-Type cord

Inputs and Outputs

Microphone Input

Electret Condensor Microphone (Omni-Directional)

MDR-AS400IP/B

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