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Step up to Sony

®

 Balanced Armature and step up to a revolution in audio. 

A full range driver, plus one woofer driver, delivers clear vocals and rich 

powerful bass. Rediscover every note and all the emotion of your favorite 

music with the world’s only drivers optimized for music enjoyment.

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 

Newly developed micro-size driver units (full-range + woofer) reproduce smooth and clear vocals 

and rich, powerful bass. Get reacquainted with your favorite music.

Double Layer Housing

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

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

sound reproduction.

Wearing Comfort

The ultra-compact design of a Balanced Armature (BA) driver allows for a natural in-ear fit which 

translates to better, long-term comfort.

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 4 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, Dual Balanced Armature

Frequency Response

4 - 25,000 Hz

Impedance

12 ohms at 1 kHz 

Sensitivity (db)

108 dB/mW

Audio Features

Ear Cups

N/A

General

Case Type

Nylon Carrying Case

Plug

Gold-plated L-type stereo mini plug

Type of Use

Portable

Hardware

Cord

47 1/4 in. (1.2 m), OFC Litz cord neck-chain

Headphone Type

Vertical in-the-ear style earbuds

XBA-2

Dual Balanced Armature Headphones

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