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Sony® XB33 EXTRA BASS™ Taupe Portable Wireless Speaker
Sony® XB33 EXTRA BASS™ Taupe Portable Wireless Speaker 0
Sony® XB33 EXTRA BASS™ Taupe Portable Wireless Speaker 1
Sony® XB33 EXTRA BASS™ Taupe Portable Wireless Speaker 2
Sony® XB33 EXTRA BASS™ Taupe Portable Wireless Speaker 3
Sony® XB33 EXTRA BASS™ Taupe Portable Wireless Speaker 4
Sony® XB33 EXTRA BASS™ Taupe Portable Wireless Speaker 5

Sony® XB33 EXTRA BASS™ Taupe Portable Wireless Speaker

Model #: SRSXB33/CZ
At a Glance
The SRS-XB33 combines a tough, durable design with a long battery life, deep bass sound and flashing lights. Giving you the freedom to party wherever, whenever.
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Get to know this product.

Enjoy powerful sound anywhere

Enjoy deep, punchy sound wherever you like with your EXTRA BASS™ speaker. Dual passive radiators work together with full-range speakers to enhance low-end tones, giving bass a boost.

Totally dustproof

Thanks to the IP67 rating, you can take your speaker to the beach, the forest, the desert, or wherever you like—the SRS-XB33 will keep on playing, no matter how dusty the surface.

Built to last

The SRS-XB33 has undergone extensive shock testing to make sure it can withstand the inevitable knocks, bumps and scrapes that come with everyday use. Even if you drop it, the SRS-XB33 will keep on working.

Totally washable and waterproof

With an IP67 rating, your speaker is waterproof and salt water resistant—so you've no worries using it by the sea or the pool—and there's no problem washing it either.

Long battery life

Up to 24 hours of battery life means the SRS-XB33 can party even longer than you can. Even with the lighting on in EXTRA BASS™ mode, you can party for up to 14 hours.

X-Balanced Speaker Unit enhances sound quality and power

Developed by Sony, the X-Balanced Speaker Unit achieves high sound quality and powerful sound pressure for a richer, deeper, more rewarding listening experience.

Mica Reinforced Cellular speaker cone and dust cap

The rigid and lightweight Mica Reinforced Cellular (MRC) speaker cone and dust cap contribute to the sound quality.

How the X-Balanced Speaker Unit works

Unlike the circular diaphragm in a conventional speaker unit, the newly developed X-Balanced Speaker Unit in the XB33 features a non-circular diaphragm. This not only maximizes the area of speaker diaphragm, increasing sound pressure for more punchy bass—it also reduces driver excursion while maintaining the same sound pressure, resulting in less distortion. Meanwhile, the unit's off-center design and optimized weight balance help to enhance clarity and widen the sound stage.

Side passive radiators

The layout of the side passive radiators has been optimized to reproduce clear bass sound.

How LIVE SOUND mode works

The speakers of the SRS-XB33 are carefully designed to give you a real three-dimensional experience. Our angled speakers with DSP technology send your music to a wider area, creating a festival vibe, wherever you are.

Hear it like it’s live

Hit the LIVE SOUND button and hear your music in a whole new way. Bring your party to life with a unique three-dimensional sound experience — creating festival vibes wherever you go.

Light up the party

There's no fun without party lights. The SRS-XB33 features a speaker light and a multi-color line light that flash in sync with the beat. You can even change the color of the line light to suit your mood.

Control the party with the Sony | Music Center app

Control the party from the dancefloor, with the Sony | Music Center app—select your favorite playlists, cue the next song, or change sound modes.

Get things booming with Party Connect

Enjoy the same song, multiplied, with Party Connect. Connect up to 100 compatible wireless speakers with BLUETOOTH® technology and the music and lights sync up so everyone dances to the same beat. Set a random pattern or set the lights to blink in a circle.

Hands-free calling

The speakerphone function offers a convenient way to talk hands-free, whether it's a conference call for work or a chat with friends.

Stream music with BLUETOOTH® technology and NFC™

Near Field Communication (NFC) and Bluetooth® technology remove the need for wired connections and complex set-up sequences. Simply touch your NFC-enabled device to the speaker for a quick, seamless connection, then start streaming your music collection. No NFC? No problem. Connect via Bluetooth® and you're ready to go.

Stand it up or on its side

Whether you place it horizontally or vertically the SRS-XB33 sits securely so you can always find space for it, wherever you're partying.

Fiestable app

Download the Fiestable app and you'll be able to control the lighting on the SRS-XB33, and you can also use motion control gestures on your smartphone screen.

USB Type-C® and USB charging ports

Use a USB Type-C® cable to charge the SRS-XB33 and if your smartphone's running low on power, just plug it into the speaker's USB port to charge up the battery.

Additional Features

  • EXTRA BASS™ sound with LIVE SOUND mode
  • Waterproof, dustproof (IP67 rated) and shockproof
  • X-Balanced Speaker Unit for clear, powerful sound
  • Up to 24 hours of battery life (EXTRA BASS™: Up to 14 hours)
  • Boost your party with flashing lights


Speaker TypeFull Range

Size & Weight

Dimensions (WxHxD)Approx. 9.7 " (246 mm) x 3.8 " (97 mm) x 4.2 " (106 mm) (w/h/d)
WeightApprox. 2.4 lb (1,100 g)

Wireless Connections

Hands-Free FunctionYes


Communication SystemVersion 5.0
Frequency Transmission Range20 Hz–20,000 Hz (44.1 kHz sampling)
Compatibles ProfilesA2DP/AVRCP/HSP/HFP
Frequency Range2.4 GHz band
Supported CodecsSBC, AAC, LDAC


Input and Output TerminalsUSB A (Only for DC OUT)


Compatible Smartphone AppsSony | Music Center / Fiestable


Battery LifeApprox. 24 h
Water ProtectionIP67
Internal Rechargeable BatteryInternal rechargeable battery
Power ConsumptionApprox. 7.5 W
USB Power Port for SmartphoneUSB A (5 V, 1 A)

Eco and energy saving

Power Consumption (Standby Mode)Approx. 0.3 W

Misc. Specs

Product Weight (lbs.)2.4
Color Finish NameTaupe
Battery Life (Hr.)24
Water ResistantYes
Manufacturer Warranty1 Year
Bluetooth Version5.0
Dust ResistantYes
Bluetooth CapableYes
Number of Speakers1
Speaker TypePortable Speakers
Depth (in.)4.2
Height (in.)3.8
Width (in.)9.7
WarningProposition 65 Warning for California Residents