Sound

Speaker Type
Full range
Speaker Size
48mm
Sound Modes
LIVE Sound, EXTRA BASS™,Standard

Size & Weight

Dimensions (W x H x D)
231mm x 87mm x 81mm (9 1/8in x 3 1/2in x 3 1/4in)
Weight
890g(1 lb 15 oz)

Wireless Connections

NFC
Yes
Hands-Free Function
Yes

Bluetooth

Communication System
Version 4.2
Max. Communication Range
30m
Compatible Profiles
A2DP / AVRCP / HSP / HFP / SPP
Supported Codecs
SBC / AAC / LDAC
Frequency Transmission Range
20 Hz - 20,000 Hz (44.1 kHz sampling)
Frequency Range
2.4GHz band

Interface

Input and Output Terminals
Stereo Mini Jack (IN) ,USB A Terminal (DC OUT only), micro USB(DC IN)

General Features

Battery Life
Approx.24 hours (Standard mode / Lighting off) Approx.14 hours (EXTRA BASS mode / Lighting on)
Water Protection
IP67

Colour Options

redyellowbluewhiteblack

What's In The Box

  • Micro USB Cable
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Features

Picture of XB31 EXTRA BASS™ Portable Wireless Speaker

Boost your party anthems with EXTRA BASS™.

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

LIVE SOUND mode 

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

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How LIVE SOUND mode works

The speakers of the SRS-XB31 are carefully designed to give you a real three-dimensional experience. The blue lines show how angled speakers with new DSP technology send your music to a wider area, creating a festival vibe, wherever you are.

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Dual 48mm speaker units

A 48mm speaker means a powerful sound and bass

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Mica reinforced speaker

Made with Mica Reinforced Cellular (MRC), the rigid and lightweight speaker cone contributes to the sound quality.

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Line Light

There’s no fun without party lights, and the SRS-XB31's new line lights go around the speaker. 

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Flashing Strobe 

The SRS-XB31's flashing strobe adds the ultimate party vibes to your music. 

Give your party the 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.

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Get things booming with Wireless Party Chain

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

Control the party with Sony | Music Center app

Control the party from the dancefloor, with the Sony | Music Center app - select your favourite playlists, cue the next song, change lighting patterns and sound modes.

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Totally rustproof

Your SRS-XB31 is uniquely rustproof, so not only does it look good, but you can also drop it in the sea without a problem. 

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Totally washable and waterproof

With an IP67 rating, your speaker can be immersed in water and thanks to the high quality fabric made exclusively in Japan, there'll be no problem washing it. 

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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-XB31 will keep on playing, no matter how dusty the surface.

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Long battery life

Up to 24 hour battery means the SRS-XB31 can party with the best of them.Even with the EXTRA BASS mode on, you can party for up to 14 hours

Wireless with BLUETOOTH® technology and NFC™

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

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USB charging port

Smartphone running low on power? Plug into the USB port on the side of the SRS-XB31 to charge up the battery.

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Easy button control

No need to rely on a device to operate your SRS-XB31. Do everything you need with just the buttons on your speaker.