Sony SRS-XB31 Extra Bass Portable Bluetooth Speaker
The Festival Feeling, Anytime, Any Place
With EXTRA BASS™, party lights, speakers that replicate the sound of live music and fun features to get the party going, you can feel like you're at a festival, anywhere and at any time.
Lose Yourself In The Feeling
See for yourself how the SRS-XB31 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™️.
Get The Live Music Experience
Hear your music in a whole new way with LIVE SOUND mode.1 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-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.
Light Up The Party
There's no fun without party lights. The SRS-XB31 has multicolored flashing lights that sync to the beat, including new line lights and a flashing strobe.
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 speakers2 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.
Your SRS-XB31 is uniquely rustproof, so not only does it look good, but dropping it in the sea won’t cause any problems.
Totally Washable3 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.
Thanks to the IP67 rating, you can take your speaker to the beach, the rainforest, the desert, or wherever you like—the SRS-XB31 will keep on playing, no matter how dusty the surface.
Long Battery Life
Up to 24-hour battery means the SRS-XB31 can party even longer than you can.4 Even with the EXTRA BASS mode on, you can party for up to 14 hours.5
1.2 m Shock Proof6
The system passes the drop test from 1.22m on plywood of 5cm thickness conforming to MIL-STD 810 F Method 516.5-Shock.
1. Control the ON/OFF by Sony | Music Center app.
2. 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.
3. 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.
4. 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.
5. Colors may vary between regions and countries.
6. Actual color and dimension may differ from the screen image.
- Full range
- 48 mm
- LIVE Sound, EXTRA BASS™, standard
Size & Weight
DIMENSIONS (W X H X D)
- 231 x 87 x 81 mm (9 1/8 x 3 1/2 x 3 1/4 inches)
- 890 g (1 lb 15 oz)
- Version 4.2
MAX. COMMUNICATION RANGE
- 30 m
- SBC / AAC / LDAC
FREQUENCY TRANSMISSION RANGE
- 20 Hz–20,000 Hz (44.1 kHz sampling)
- 2.4 GHz band
INPUT AND OUTPUT TERMINALS
- Stereo Mini Jack (IN), USB A Terminal (DC OUT only), micro USB (DC IN)
- Approx. 24 hours (Standard mode / lighting off) Approx. 14 hours (EXTRA BASS mode / lighting on)
- Red, Blue, Black, White, Yellow
In the box
- Sony SRS-XB31
- Micro USB Cable