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Sony® XB Series EXTRA BASS™ Black Wireless Bluetooth In-Ear Sports Headphones

Model #: MDRXB50BS/B
At a Glance

Rain or shine, these wireless sports headphones are more than an accessory for your active lifestyle and smartphone. They keep you connected to phone calls, favorite music and even your workout playlist. Lightweight design and comfortable fit make sure these headphones keep up the pace on your daily commute or routine at the gym.

Available in Store Only
$79.99Save $NaN
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Protection Plans

2 Year Replacement Warranty $50 - $99.99


x 1

3 Year Replacement Warranty $50 - $99.99


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Get to know this product.

EXTRA BASS™ sound enhances your performance

Sports headphones with wireless Bluetooth® connectivity. Get into workout mode instantly. Powerful EXTRA BASS™ sound drives you forward, whatever you're doing. The splash-proof design means light rain won't slow you down.

Boost your performance

Powerful EXTRA BASS™ sound gives you the drive to keep going.

Connect wirelessly

Bluetooth® connectivity lets you listen for up to 8.5 hours without wires getting in your way.

Be ready for splashes

Durable IPX4 design keeps the music going, even when you run in light rain.

Hear the beat, feel the power

EXTRA BASS™ sound gives you more motivation, whether you’re at the gym or on the street. Enhanced low frequencies make music sound more powerful, so you feel energized and driven.

Won't let you down

Built to be tough and durable, the MDR-XB50BS is ready for demanding exercises and workout routines.

Certified splash-proof

Enjoy music even while running in light rain, thanks to the IPX4 splash-proof design.

Listen for longer

With 8.5 hours of battery life, you have enough power for a week's worth of workouts.

Choose your color

Available in red, black and blue, the MDR-XB50BS can even match your workout clothes.

  • EXTRA BASS™ sound with deep, punchy low end
  • Wireless Bluetooth® connection for unrestricted movement
  • Long-lasting 8.5 hour battery life
  • Splash-proof IPX4 design for all-weather use
  • Arc supporters keep headphones securely in place
Useful Documents

Size and Weight

WeightApprox. 0.78 oz (without Arc Supporters)

General Features

Driver Unit0.47" (Dome Type)
Dynamic TypeClosed Dynamic
Frequency Response4 Hz–24,000 Hz
Volume ControlYes
Usage TimeMax. 8.5h
Charge TimeApprox. 2.5 Hours
Wearing StyleIn-ear

What's In The Box

USB CableYes
Long Hybrid silicone rubber earbuds (SS, S, M, L x 2)Yes
Arc Supporters(S, M, L x 2)Yes

Misc. Specs

Frequency Response4Hz - 24,000Hz
Sport HeadphoneYes
Water ResistantYes
Color Finish NameBlack
Bluetooth CapableYes
Headphone TypeIn-Ear
WarningProposition 65 Warning for California Residents