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4-Driver In-Ear Headphones

Model number: XBA-4
Rated 4.1 out of 5 stars
Introducing the ultimate in-ear headphone. Featuring four Balanced Armature drivers (full range, tweeter, woofer and super woofer), enjoy incredibly balanced sound of supreme clarity, richness and depth.

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$349.99

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Optimized for audiophiles.

Calling all music lovers: this headphone's for you. The pinnacle of the XBA Series, these XBA-4 in-ear headphones boast a total of four Balanced Armature driver units (a full range driver, tweeter, woofer and super woofer) to deliver an incredibly balanced spectrum of crisp, radiant highs and deep, breathtaking bass. Precision engineered for music enjoyment, brace yourself for a premium listening experience like no other.

  • Sensational Sound

    Designed for discerning audiophiles, XBA Series in-ear headphones are outfitted with Sony's newly developed Balanced Armature driver units engineered for crisp, balanced sound of incredible depth and precision. Infused with premium audio technology, even the most subtle musical nuances are delivered with tremendous clarity and detail.

  • Balanced Armature Drivers

    Meticulously pre-tuned by Sony engineers, four Balanced Armature driver units (full range, tweeter, woofer and super woofer) reproduce a broad, finely balanced range of sound—from soaring highs to bellowing bass, and everything in between. Plus, these micro-sized drivers are engineered to emphasize key sound characteristics to enhance your music.

  • Double Layer Housing

    A specially made inner housing constructed of high strength magnesium holds the driver units rigidly in place for super smooth frequency response. Enclosed in an ABS outer housing that suppresses unwanted vibrations, this innovative double layer design delivers crystal-clear mid to high range sound and overall crisp, rich audio.

  • Long Lasting Comfort

    Because Balanced Armature drivers sport an ultra compact design for a smaller overall form factor, they slip easily inside the ear for a snug, more natural-feeling fit. The result? Reduced ambient noise and long-lasting comfort and wearability—even after hours of non-stop listening.

  • Noise Blocking Design

    Lock in the sounds of your favorite songs, and block out disruptive background noise. Because Sony XBA Series in-ear headphones boast a noise-blocking design and a snug, comfortable fit, they prevent sound leakage—both in and out of the ear—so you can enjoy your music without annoying your neighbor, and get lost in a distraction-free listening experience.

  • Secure Fit

    With four sizes of hybrid silicone and three sizes of noise isolating ear cushions included, you can choose the best fit for your ears to maximize overall sound quality and comfort. With the perfect-fitting pair, your XBA Series in-ear headphones stay securely in place—even during strenuous exercise—while keeping ambient background noise at bay.

Audiophiles rejoice—introducing headphones designed just for you. Sink your ears into supreme sonic bliss while a whopping four Balanced Armature drivers deliver an impressively full-bodied sound experience to light up your favorite tunes with soaring high frequencies, unfathomable lows and all notes in between. A fraction of the size of conventional dynamic drivers, Balanced Armature drivers deliver complex, richly-detailed audio in a lighter, more compact form factor that slips easily inside your ear for long lasting comfort and all-day wearability.

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 can even be tuned for higher or lower frequency response, as well as combined to emphasize certain sound characteristics.

Wearing Comfort

The ultra-compact design of the Balanced Armature driver provides a natural fit inside the ear, resulting in better, long-term 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.

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.

Secure Fit

Hybrid silicone earbuds, in 4 sizes, allow for a tailored fit that further maximizes overall sound quality and comfort.

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.

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.

Carrying Case

A carrying case is included to keep your headphones protected while traveling.

Product Specifications

General

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

Weights and Measurements

  • Weight (Approx.) : 8 g (0.28 oz) without cord

Audio

  • Driver Unit : Closed, Quad Balanced Armature
  • Frequency Response : 3 - 28,000 Hz
  • Impedance : 8 ohms at 1 kHz
  • Sensitivity (db) : 108 dB/mW

Hardware

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

Audio Features

  • Ear Cups : N/A

Power

  • Power Handling Capacity : 100 mW (IEC)

In the Box

  • Operating Instructions (1)
  • Carrying Case (1)
  • Hybrid Silicone Earbuds - SS (2), S (2), M (2), L (2)
  • Warranty Card (1)
  • Noise Isolation Earbuds - S (2), M (2), L (2)
  • Cord Adjuster (1)

Product Profile

Support

XBA-4 4.1 5 7 7
Low durability I got this headphones in autumn 2012. Sound at the beginning was not impressive. That's not bad since all the headphones deliver their best quality after many hours of use. However XB4 never reached the quality of my old MDR-EX510LP. Both compared one to one on a daily basis. After six months of use (4 hours per day), the superiority of the MDR-EX510LP was clear. I really wanted the XB4 to sound better than the EX510 (because they cost 700% more). However they didn't and then last week the right earphone started to sound less and less until it finally died. I'm getting used to the idea that nowadays Sony products are low quality ones. :( March 9, 2013
Great Earbuds! Just received the XBA-4 earbuds for Christmas. The sound quality for this earbud is excellent and in my opinion is better then some noise cancelling headphones on the market. I have not listened to the XBA-1, 2, or 3 yet, but the XBA-4 provides good highs and a warm bass - very happy with the sound quality. The overall size of these earbuds is large compared to other earbuds, but they are light weight and comfortable to use. For convience, Sony provided a carry case and a spool to reduce excess wire. The reason this earbud was purchased is due to previously using full size noise cancelling headphones that were a pain to use when traveling due to their excess size. Because of the bulk of full size headphones, I wanted a high quality earbud and the XBA-4 offers a nice alternative. Happy with the purchase. January 1, 2013
Great Earphones All around, these are very good earphones. The sound quality is outstanding and so is the bass. Design is compact as well. The price though is ridiculous and that is what takes the rating down to 4 stars. If $50 or $100 less, I would give this 5 stars. Still amazing earbuds! October 13, 2012
Great These weren't even on my radar because of the price, but I managed a very good deal... And my ears are so glad I did! The sound is really good, on par with my decent headphones which I find astounding, very detailed, you feel like you're surrounded by the musicians. Many of us might realize our ears have been spoiled by too much emphasis on bass, while the xba-4 sound more true to life... But still manage not be to clinical... These really do help me enjoy music more, even music I didn't really like before... Electronic music in particular will make you grin. Fit is important, I'd always used medium sized tips but changed to the large ones (although not the ones with foam) and it's amazing. You must use them over the neck, which I don't really like, otherwise the y intersection *will* snag on your shirt... If you enjoy music give these a try, at least you'll have a point of comparison. I play these with an old A818 Walkman with 320kbps mp3s. October 10, 2012
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