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XBA-4 Quad Balanced Armature Earbuds
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Sony XBA-4 Quad Balanced Armature Earbuds

Condition: Brand new, USA Warranty
Quad Balanced Armature driver array, Dual layer housing, Hybrid Silicone Earbuds. In 4 sizes, for a personal fit, Optimized housing design, Noise isolation earbuds for increased noise attenuation, Convenient Cord Adjuster supplied, Carrying case

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 audio ecstasy with 4 newly developed micro-size driver units (full-range + tweeter + woofer + super woofer). No matter what your favorite genre, a dynamic performance, transparent staging, and vivid clarity are par for the course.

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 Balanced Armature (BA) in-ear headphones provides a natural fit inside the ear, resulting in better, long-term comfort.

Noise Blocking Design
Sony Balanced Armature (BA) in-ear headphones 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.


- 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
- Ear Cups: N/A

- Case Type: Carrying Case
- Plug: Gold-plated L-type stereo mini plug
- Type of Use: Portable

- Cord: 47 1/4 in. (1.2 m), OFC Litz cord neck-chain
- Headphone Type: Vertical in-the-ear style earbuds

- Power Handling Capacity: 100 mW (IEC)

Weights and Measurements
- Weight (Approx.): 8 g (0.28 oz) without cord

Customer Reviews
Sony XBA-4 Quad Balanced Armature Earbuds

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