Sony SRS-XB21 Extra Bass Portable Bluetooth Speaker

  • HK$765.00
  • Save HK$85.00

Only 1 left!

Your own portable music festival

Throw the SRS-XB21 in your bag, grab your friends and start the party wherever you go. With EXTRA BASS™, live music sound, and party lights, it's the mini music festival that you can take with you.

Lose yourself in the feeling

See for yourself how the SRS-XB21 gives you the feeling of being there. All you have to do is bring your friends.

Boost your party anthems with EXTRA BASS™️

Enhance every beat and give your party that extra boost thanks to EXTRA BASS™️.

Live music experience

Hear your music in a whole new way with LIVE SOUND mode. Bring your party to life with a unique three-dimensional sound experience and create festival vibes wherever you go.

How LIVE SOUND mode works

The speakers of the SRS-XB21 are carefully designed to give you a real, three-dimensional experience. The blue lines show how the angled speakers with new DSP technology send your music to a wider area, creating a festival vibe wherever you are.

Small on size, big on fun

The compact SRS-XB21 fits easily in your bag. You can even pop it in the bottle-holder of your bike — so the party goes wherever you go.

Light up the party

There’s no fun without party lights and the SRS-XB21 has just the thing—flashing new line lights that sync to the beat of your favorite tracks.

Give your party an extra boost with Party Booster

Simply tap your speaker in different places to make different sounds—like a scratch, snare, kick drum and cowbell. Control the volume with force, tap gently for a soft sound or give it a good hit for a loud output.

Get things booming with Wireless Party Chain

Enjoy the same song with Wireless Party Chain. Connect up to 100 wireless speakers1 with BLUETOOTH® technology and the music and lights sync up so everyone dances to the same beat.

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, and change lighting patterns and sound modes.

Ready for the pool and the beach

A new fabric design — not only looks good, but is tough enough to take whatever you throw at it.

Totally rustproof

Your SRS-XB21 is uniquely rustproof, so not only does it look good, but dropping it in the sea won’t cause any problems.

Totally washable2 and waterproof

With an IP67 rating, your speaker can be immersed in water and thanks to the high-quality fabric made exclusively in Japan, you’ll no problems washing it.

Totally dustproof

Thanks to the IP67 rating, you can take your speaker to the beach, the rainforest, the desert, or wherever you like—the SRS-XB21 will keep on playing, no matter how dusty the surface.

Long battery life

Up to 12 hours of battery means the SRS-XB21 can party even longer than you can.3 Even with the EXTRA BASS mode on, you can party up to 10 hours.4

1.2 m shock proof5

The system passes the drop test from 1.22m on plywood of 5cm thickness conforming to MIL-STD 810 F Method 516.5-Shock.

Wireless with BLUETOOTH® technology and NFC™

BLUETOOTH® streaming with NFC™ connectivity makes it easy to stream your party playlist.

Easy button control

No need to rely on another device to operate your SRS-XB21. Do everything you need with just the buttons on your speaker.

1. If the surface of the system gets dirty, do not use detergent, thinner, benzene, alcohol, etc. to clean it and do not brush the system. Whether you can completely wash it off or not, depends on the dirt or stain.

2. When lighting is off in STANDARD sound mode, and the volume is set to approximately half the maximum level. The sound mode and lighting settings require changing from the factory defaults. Refer to the Operating Instructions and the Help Guide for how to change the settings. Actual performance may vary from the listed time due to the volume, songs played, surrounding temperature, and usage conditions.

3. When lighting is on in EXTRA BASS sound mode (factory defaults) and the volume is set to approximately half the maximum level. Actual performance may vary from the listed time due to the volume, songs played, surrounding temperature,and usage conditions.

4. Colors may vary between regions and countries.

5. Actual color and dimension may differ from the screen image.

Tech Specs



  • Full range


  • 42 mm


  • LIVE Sound, EXTRA BASS™, standard

Size & Weight


  • 193 x 72 x 65 mm(7 5/8 x 2 7/8 x 2 5/8 in)


  • 530 g (1 lb 3 oz)

Wireless Connections


  • Yes


  • Yes



  • Version 4.2


  • 10 m




  • SBC / AAC / LDAC


  • 20 Hz–20,000 Hz (44.1 kHz sampling)


  • 2.4 GHz band



  • Stereo Mini Jack (IN), micro USB

General Features


  • Approx. 12 hours (Standard mode / lighting off) Approx. 10 hours (EXTRA BASS mode / lighting on)


  • IP67

Color Options

  • Red, Blue, Black, White, Yellow

In the box
  • Sony SRS-XB21
  • Micro USB Cable
  • Reviews

We Also Recommend