Sony SRS-XB31 Portable Wireless Bluetooth Speaker (White)

Model #SRSXB31/W

Sony Warranty
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Wireless Connectivity

Supported Bluetooth Profiles A2DPAVRCPHFPHSPSPP
Bluetooth 4.2
Wireless Range 98.4' / 30.0 m

Wired Connectivity

Outputs 1 x USB Type-A
Inputs 1 x 1/8" (3.5 mm) Stereo1 x USB Type-C

Speaker System

Power Output Not Specified by Manufacturer
Frequency Response 20 Hz to 20 kHz
Passive Radiators Not Specified by Manufacturer
Drivers Not Specified by Manufacturer


Weight 1.96 lb / 890 g
Dimensions (W x H x D) 9.1 x 3.4 x 3.2" / 231.0 x 87.0 x 81.0 mm
IP Rating IP67
Memory Card Slot None


Built-In Mic No


Capacity (mAh) Not Specified by Manufacturer
Expected Battery Life 24 Hours
Expert Reviews
Nerd techy.34815082
2 weeks ago

When you’re choosing speakers, you generally want to go as large as possible. Bigger speaker designs are capable of housing larger drivers, and more of them. One consequence of that is you often can experience fairly steady improvements in sound quality as the physical size of speakers are...

User Reviews
16 April 2018

I really want to like this speaker. The sound it gives for such a portable device is nice; the lights are a fun (if frivolous) addition; and it has a very good battery life. Sadly, it’s all ruined by a fickle charge cycle.

16 April 2018

I love this speaker. It produces a wonderful sound, with rich, clear bass. Great battery life, and significant volume. This feels very nice: well-designed and a pleasure to listen to. The bottom line is: I would not have considered this before trying it with the Vine program.

12 April 2018

This is amazing. These new Sony speakers are to die for. I really used to like the beats pill when they were tiny and round. Hate the look of the new beats. But this.. this is amazing

12 April 2018

I previously reviewed the SRS-XB30, initially giving it lower marks due to the high cost "for what it was," and then later going back in an updating the review to be much higher once I realized how good the unit was. Sony continues the tradition with this newer model.

11 April 2018

Awesome speaker with great sound!! The bass is very deep and rich, and you can pick up a lot more sound than you normally would with cheap speakers. It's heavy, well constructed, and yet small enough to be easy portable while still putting up big sound.

9 April 2018

Heck yea worth every preorder penny!!! Love this little dude like I love all of my JBL's!!! This thing is epic it's literally like A mid sized all-in-one speaker! Has always been curious About buying one of Sony's speakers just to give it a shot but last year's models styling was just not my taste!

7 April 2018

I really like this speaker. The sound quality is good to very good. There have been a few times when I wished it was a bit crisper--but overall I am happy with it. The sound volume is great--it easily fills a large room.

6 April 2018

Sony has managed to get everything right with this portable wireless Bluetooth speaker and managed to get the price fairly reasonable as well. What I like about the speaker : 1. Sound!

6 April 2018

This is, for the price, the best Bluetooth speakers I've heard. They are as good as higher priced speakers. The bass sound is full, excellent and clear. Setup is fast and easy. Here's where the fun begins: Download the Sony music app.

4 April 2018

This speaker has a lot going on for it no doubt. - It's waterproof and dust proof, which makes it eligible to hang out on our dock. However, note that it isn't meant to be used with water pressure, and says not to use it in the shower. Would be nice to take to the beach.

Product Highlights
  • Wireless Bluetooth and NFC Technology
  • Up to 24 Hours of Playback
  • Rust, Water, and Dustproof
  • Compatible with Sony Music Center App
  • USB Charging Port for Mobile Devices
  • LIVE SOUND Three-Dimensional Sound
  • Multi-Color Lights and Flashing Strobes
  • Built-In Button Controls
  • Party Booster Sound Effects
  • Mini Jack Input for External Devices
In The Box
  • Sony SRS-XB31 Portable Wireless Bluetooth Speaker (White)
  • Micro-USB Cable
  • Limited 1-Year Warranty
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