Sony XBA-4 review: Sony XBA-4

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CNET Editors' Rating

4 stars Excellent
  • Overall: 8.0
  • Design: 8.0
  • Features: 8.0
  • Performance: 8.0

Average User Rating

4 stars 4 user reviews
Review Date:
Updated on:

The Good Sony's XBA-4 in-ear headphones are the company's first to use four balanced armature drivers in each earpiece for ambient noise isolation, and they sound great.

The Bad Its high performance comes at an equally lofty price.

The Bottom Line Sony's audiophile-grade XBA-4 in-ear headphones deliver highly refined sound, with potent bass, airy treble, and excellent noise-isolating performance.

Editors' Top Picks

Sony claims that its new $349.99 XBA-4's sound is "optimized for audiophiles," and my anecdotal testing confirms that this is truly a great-sounding set of headphones. It features Sony's newly designed "microsized balanced armature drivers," and in fact the XBA-4 uses four of these drivers in each earpiece. Other less expensive XBA models, namely the XBA-1, XBA-2, and XBA-3 have one, two, and three balanced armature drivers in each earpiece, respectively. The XBA series is the first generation of Sony headphones to feature these drivers, which produce clearer sound than conventional headphone drivers. With excellent noise-blocking performance, a comfortable fit, and a sleek design, the XBA-4s are sure to satiate any audiophile's hunt for a balanced in-ear headphone.

Design and features
The XBA-4 is the flagship model in the XBA line and uses four balanced armature drivers (full range, tweeter, woofer, and superwoofer drivers) in each earpiece. The earpieces are relatively massive for this reason, especially for an in-ear design, but the gunmetal-gray-and-silver metallic earpieces stand out with an undeniably high-tech profile. The buds are constructed from a high-strength magnesium alloy inner housing that holds the four drivers rigidly in place, with an assembly fitted into an ABS outer housing to suppress vibration.

Sony claims the XBA-4 in-ear headphones have a "noise-blocking" design and prevent sound leakage; I found the XBA-4's environmental noise-hushing abilities are about average for in-ear designs. At the very least, you won't have to worry about your music causing a disturbance to people around you.

The headphone cable is an asymmetric Y design, so the left branch of the cable is just 7 inches long compared to the right side's 21-inch length. As such, the headphones feel most comfortable draped over the left side of your body.

The cable's entire length measured from the left side is an ample 64 inches, but you can also wrap some of the cable around the supplied cord adjuster (a flat, black plastic spool) if you prefer a shorter cable. That's a good thing to prevent cord tangles while you store them in a bag or your pocket.

Editors' Top Picks

 

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Where to Buy

Sony XBA-4

Part Number: XBA-4

MSRP: $348.00

See manufacturer website for availability.

Quick Specifications See All

  • Weight 0.3 oz
  • Sound Output Mode stereo
  • Additional Features L-shaped plug
  • Type headphones
  • Headphones Form Factor in-ear
  • Connector Type mini-phone stereo 3.5 mm
About The Author

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve currently reviews audio products for CNET and works as a freelance writer for Home Theater, Inner Fidelity, Tone Audio, and Stereophile.