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Step up to Sony

®

 Balanced Armature and step up to a revolution in audio. 

A full range driver delivers clear vocals and great sound reproduction for 

a sublime audio experience. Rediscover all the emotion of your favorite 

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

Sound Story

Compared to conventional Dynamic drivers, Balanced Armature drivers reproduce a smooth, 

broad, and even frequency response with notable vocal clarity. Sony

®

 Balanced Armature drivers 

are tuned for higher or lower frequency response, as well as combined to emphasize certain 

sound characteristics.

Balanced Armature Driver 

Newly developed micro-size, full-range driver units deliver detailed and transparent sound 

reproduction. Be it your favorite vocalist, driving bass line, piano, guitar or drum solo, hear even 

the most subtle musical details with tremendous clarity. Get reacquainted with your favorite 

music.   

Double Layer Housing

It’s in the details… A special, liquid crystal polymer, 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 rich audio performance.

Wearing Comfort

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

improved long-term comfort. 

Noise Blocking Design

Sony

®

 XBA Series earbuds afford 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,  ensure 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, Balanced Armature

Frequency Response

5 - 25,000 Hz

Impedance

24 ohms at 1 kHz 

Sensitivity (db)

108 dB/mW

Audio Features

Ear Cups

N/A

General

Case Type

Carrying Pouch

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

Power

XBA-1

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