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Sony MDRXB50AP Extra Bass Earbud Headphones/Headset with Mic for Phone Call, Black

4.5 out of 5 stars 21,316 ratings

One Size
Brand Sony
Color Black
Connectivity Technology Wired
Model Name Sony MDRXB50AP Extra Bass Earbud Headphones
Form Factor In Ear

About this item

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  • 12 millimeter dome type driver units deliver powerful deep bass. Connectivity technology: Wired
  • Integrated microphone and smartphone playback control
  • Hybrid silicone earbuds for secure, comfortable fit
  • High energy neodymium magnets for powerful sound
  • Tangle free, Y type flat cord with slider. Capacity 100 mW. Diaphragm: PET
  • Lightweight for ultimate music mobility. 0.47 in neodymium drivers for powerful, balanced sound

Important information

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Warranties may no longer be valid.

What's in the box

  • Carrying pouch, cord adjuster, 4 pairs of ear tips (supersmall, small, medium, large)
  • Customer questions & answers

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    Product information


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    From the manufacturer


    Listen to powerful bass sound and all your calls

    Enjoy deep bass response with integrated mic and smartphone playback control. The Extra Bass design and 12mm driver units deliver powerful sound while the hybrid silicone ear buds ensure a secure fit.


    Powerful, Balanced Sound

    Specially designed drivers with high-energy neodymium magnets deliver deep, powerful bass that perfectly complements today’s popular music genres.


    Bass Duct design

    A tightly sealed acoustic design allows for a high level of sound isolation which aides in the reproduction of powerful and extended bass response.

    ear buds

    Smartphone playback control

    The integrated microphone and multi-function control button make the MDR-XB50AP the perfect companion for your smartphone.


    Comfortable fit

    Hybrid silicone earbuds provide long lasting comfort and designed to reduce ambient noise; x-small, small, medium and large earbuds are included.

    Sony ear bud headphones

    sony ear buds


    sony ear buds


    sony ear buds


    sony ear buds


    Yes No Yes No
    Different sizes of earpiece
    4(XS, S, M, L) 3(S, M, L) 3(S, M, L) No
    Extra Bass
    Yes No No No
    Black, Blue, Red Black, Blue, Violet, White Black, Blue, Violet, White Black, Blue, Pink, White
    Drive unit Size
    0.47 inch Close type 0.35 inch Close type 0.35 inch Close type 0.53 inch Open type

    Product Description

    Sony MDRXB50AP Extra Bass Earbud Headset (Black) Cord length: 3.94 ft; Frequency response: 4-24,000Hz, 4–24,000 Hz; Cord type: Y type, flat cord. Frequency response: 4–24,000 Hz.

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    21,316 global ratings

    Top reviews from the United States

    Reviewed in the United States on October 10, 2019
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    5.0 out of 5 stars Hands down, the best sealer you can buy!
    By Brian F on October 9, 2019
    This is hands down the BEST vacuum sealer I’ve ever used. I am enthusiastic about cooking and do a lot of sous vide and grilling/smoking. I tend to meal prep by making large amounts of proteins and sealing them into individual portions for quick and easy home dinners. Due to the volume and frequency in which I cook, I’ve used a lot of vacuum sealers. I would burn through a “home grade” food saver in less than a year. I got sick of buying disposable sealers and started looking for something more commercial quality, without the commercial price tag.

    I’ve used all 3 of Avid Armors vacuum sealers. The a3100 model (least expensive) is perfect for the average home cook. It’s got all the bells and whistles you need, and a great price. The a100 model was probably my favorite sealer I’ve ever had the pleasure to use (until they released this chamber sealer). It was high quality, had a nice wide seal, and could perform consecutive seals time after time (I’ve done as many as 75 bags in a row without ever waiting for it to cool).

    That brings me to this bad boy, the USV32 Chamber Vacuum Sealer:

    Differences between chamber sealers (USV32) and traditional sealers (a100)- Traditional vacuum sealers work by sucking the air out of the bag, and then sealing it to prevent air from getting back in. Chamber sealers create a vacuum inside the bag, but also the chamber around it so there is no suction created in the bag itself (the pressure inside the bag, and in the surrounding chamber is the same), it then seals the bag and allows the chamber to re-pressurize. Since the pressure inside the bag was lower, and it’s sealed now it collapses around the food inside creating a perfectly sealed package.
    There are pros and cons of each type. The biggest pro of a traditional sealer is they are usually smaller, and the size of the item being sealed is only limited by the bag. This means it’s great for roasts or long items like tomohawk ribeyes. Traditional sealers struggle with things like liquid, because they pull air out of the bag, they tend to pull juices along with it. This makes it hard to do wet foods such as fish, but also hard to get all the air out of liquids like soups etc.
    The chamber sealer surpasses traditional sealers in almost every other way. They excel at wet foods and liquids because the air is removed from the bag and the chamber, liquids stay put. They also create a much tighter vacuum on odd shaped items. The bags are significant less expensive (they don’t have to use a textured side to slow down liquids, so are less costly to produce). They also allow for a marinate cycle, which infused meat or whatever else you’re marinating by cycling through vacuum stages without sealing. This drives the marinade into your food without having to let it sit for hours in the fridge. This also allows you to infuse things like fruit, cold pickle items, or infuse liquors like lemoncello (so good).

    This USV32 chamber sealer was extremely high quality. It has to weigh close to, or more than 25 pounds. The lid is a very nice thick glass and the sides are full stainless steel. The front has very nice soft touch buttons and the entire thing just FEELS premium. It’s a nice change of pace after handling food saver sealers...

    I’ve run almost 100 bags through this machine in the time I’ve had it, and haven’t had a single bad seal, or failed vacuum. The seal bar creates a DOUBLE seal, so even if one fails or you have a piece of food stuck in it you’ve got backup. They also go the extra mile and send a spare seal bar- yes you can actually REPLACE parts without having to buy a new machine, unlike many popular brands.

    I’ve had questions over the time that I’ve had my avid armor products and contacted customer service via email. They are always very prompt, polite and super knowledgeable. In addition to the extremely high quality of their products, their CS team is another big plus.

    Bottom Line: if you use a lot of bags, and seal liquids or wet foods often... this is the machine for you. If you like science (if you’ve never seen water “boil” at room temp go watch a video of someone sealing water in a chamber sealer) and impressing your friends at a dinner party... this is the machine for you! You likely will make up the difference in cost between a traditional sealer in the cost of bags, and gain all the additional features like marinade mode and ability to seal wet and liquid items. If you’re a more casual user, or don’t seal liquids then take a look at the Avid Armor a100, it’s the best traditional style vacuum sealer out there. Either way you’re going to end up with a vacuum sealer that will last longer and perform better than anything else you’ve used.
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    126 people found this helpful
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    Reviewed in the United States on November 27, 2019
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    5.0 out of 5 stars Can crusher!
    By Chris on November 26, 2019
    You can crush cans, or not crush a hamburger bun with this thing! You cannot, however, vacseal the actual beer out of the can or a protein shake. I'll touch back on that later. I've had this unit about 6 weeks now and use it nearly daily. I have zero complaints. It is a high quality unit with a very solid feel. Nothing cheap about it. Easy to use. Simple to adjust. You really can seal very delicate items, like bread. I am glad I bought this unit instead of a vacmaster. I wouldn't have liked the size and weight of the VP210 I was considering. This thing is perfect for home use. I have ran easily over 100 bags through it with no problems.

    My main interest in a chamber unit was for game processing and sealing "wet" meat along with other items. Sous vide and saving money on bags were my other driving factors. I'm happy with the decision I made. Packed up 2 whitetail deer this past week, really gave this unit a workout. One guy cutting and packing and one guy sealing and labeling we used it continuously for 3+ hours. Zero issues. I have been holding off on leaving a review until I had used the unit extensively. I feel comfortable giving this unit 5 stars.

    Bonus points to the company for promptly and professionally answering all my numerous questions I had to ask before making the decision to purchase. They were truly friendly and helpful and I hope to receive the same treatment in the future if any issues do arise.

    No fault of the unit, but I did learn there are a few items you just can't seal in a chamber unit. Beer. I don't know why you would ever want to vacuum seal beer out of the can, but I tried it, foamed up and breached the sealing bar. No good. I wanted to try a full unopened can but I'm affraid it might exploderate and kill me. You also cannot seal a blended up protein, peanut butter and blueberry shake. It also foams up and will breach the seal and make a giant mess inside the unit. I am told this is due to the blending infusing a lot of air into the mix which tries to escape which causes the foaming. Makes sense. So just don't try that.

    I do wish the unit would accommodate 12" wide bags. They seem to be more common and easier to find than 11.5". That's my only complaint, if you can call it that.

    The End.
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    64 people found this helpful
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    Reviewed in the United States on April 3, 2020
    42 people found this helpful
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    Top reviews from other countries

    1.0 out of 5 stars Uncomfortable and not durable
    Reviewed in Canada on December 20, 2018
    Color: BlackSize: One SizeStyle: MDRXB50APVerified Purchase
    54 people found this helpful
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    Captain K
    5.0 out of 5 stars Hard to believe robustness , well made and good sound
    Reviewed in Canada on June 8, 2020
    Color: RedSize: One SizeStyle: MDRXB50APVerified Purchase
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    5.0 out of 5 stars Hard to believe robustness , well made and good sound
    Reviewed in Canada on June 8, 2020
    I was quite happy with these after they arrived but I didn't bother reviewing ...after all there are ton of other good reviews on this. My attitude however changed after I found these tangled up inside the drum of my dryer wife without searching my pockets had thrown my shorts in the washing machine and then the dryer...when I found these inside the dryer they were caught in the tiny groove between the drum and the body and releasing them was so hard that I almost reached for a pair of scissors...but I didn't. Then after the release I looked at the poor thing; in some parts the rubber hosing was chewed up to such a degree that the metal wiring was exposed..I made a vow that if they still work then I'm going to write a 5 star review...and you guessed it, they worked flawlessly!! After being submerged in hot water and soap for over 3 hours+ hot air and tumble for over 1.5 hours these earbuds still work like new!! I don't know what else to tell you but for my money this was well worth and more. I'm going to order a second one just in case I lose this.
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    31 people found this helpful
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    3.0 out of 5 stars Do Their Job - Muddy Sound Quality
    Reviewed in Canada on June 19, 2018
    Color: BlackSize: One SizeStyle: MDRXB50APVerified Purchase
    31 people found this helpful
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    5.0 out of 5 stars Brilliant Value
    Reviewed in the United Kingdom on March 4, 2020
    Color: BlackSize: One SizeStyle: MDRXB50APVerified Purchase
    One person found this helpful
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    Mick Windsor
    5.0 out of 5 stars GREAT SERVICE
    Reviewed in the United Kingdom on June 7, 2021
    Color: RedSize: One SizeStyle: MDRXB50APVerified Purchase