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Step up to Sony

®

 Balanced Armature. A revolution in audio with the world’s 

only drivers optimized for music enjoyment. Rediscover every note and all 

the emotion of your favorite music with in-line iPod

®

/iPhone

®

 control.

1

 A 

full range driver, added tweeter, and two woofers deliver a sublime audio 

experience. You won’t believe your ears.

Sound Story

Compared to conventional Dynamic drivers, Balanced Armature drivers produce a broad 

and even frequency response with notable vocal clarity. SONY

®

 Balanced Armature drivers 

are tuned for higher or lower frequency response and combined to emphasize certain sound 

characteristics.

Balanced Armature Driver 

Experience a highly sublime audio experience with 4 newly developed micro-size driver units 

(full-range + t super woofer). No matter the genre, a dynamic performance, 

transparent staging, and vivid clarity are par for the course. 

Made for iPod®/iPhone®/iPad®

Full integration for iPod

®

, iPhone

®

 and iPad

®

.

1

 The in-line remote gives you volume and track 

controls (Play, Stop, Next/Prior) for iPod, iPhone or iPad, and the built-in microphone maes it easy 

to take calls through it all. 

VoiceOver support

The simple press of a button activates  VoiceOver mode, where the iPod® states the name of the 

currently playing song or playlist (on enabled devices).

1

Double Layer Housing

A special, high strength magnesium inner housing provides the necessary rigidity for smooth 

frequency response, while an ABS outer housing suppresses vibrations for clear mid-high 

frequency sound reproduction. The result is a total, complete audio performance.

Wearing Comfort

The ultra-compact design of the Balanced Armature driver provides a natural fit inside the ear, 

resulting in better, long-term comfort and more effective noise attenuation for a superior listening 

experience.

Noise Blocking Design

Sony

®

 XBA-Series Earbuds provide a comfortable fit that also results in significantly lower sound 

leakage levels both in or out, allowing you uninterrupted access to your music.

Secure Fit

Hybrid silicone earbuds, in 7 sizes, allow for a tailored fit that further maximizes overall sound 

quality and comfort.

Noise Attenuation

Noise isolation earbuds (Included: Small, Medium, and Large) not only provide an outstanding fit, 

but also utilize pressure relieving urethane foam to further reduce ambient noise.

Specifications

Audio

Driver Unit

Closed, Quad Balanced Armature

Frequency Response

3 - 28,000 Hz

Impedance

8 ohms at 1 kHz 

Sensitivity (db)

108 dB/mW

Audio Features

XBA-4IP

Headphones for iPod®& iPhone®

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