Product Comparison: Sony SRS-XB21 vs Sony SRS-XB31

Advertiser Disclosure

This site is a free online resource that strives to offer helpful content and comparison features to its visitors. Please be advised that the operator of this site accepts advertising compensation from certain companies that appear on the site, and such compensation impacts the location and order in which the companies (and/or their products) are presented, and in some cases may also impact the scoring that is assigned to them. The scoring that appears on this site is determined by the site operator in its sole discretion, and should NOT be relied upon for accuracy purposes. In fact, Company/product listings on this page DO NOT imply endorsement by the site operator. Except as expressly set forth in our Terms of Use, all representations and warranties regarding the information presented on this page are disclaimed. The information which appears on this site is subject to change at any time. More info

Sony SRS-XB21 Portable Wireless Waterproof Speaker

Check Price

Best Pick

Sony SRS-XB31 Portable Wireless Waterproof Speaker

Check Price

General Specifications

Brand

Sony

Model

SRS-XB21

SRS-XB31

Origin

China

About the product

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.

Boost your party with the SRS-XB31 wireless speaker. Hit the live sound button and hear your music in a whole new way with a distinct three-dimensional sound experience creating festival vibes wherever you go anytime, anyplace. The SRS-XB31 has multi-coloured flashing lights that sync to the beat, including new line lights and a flashing strobe.

Key Specs

Power output

8 W

32 W

Connection Type

Bluetooth 4.2

Range

32.8 ft.

98.43 ft.

Battery Life

10 hour(s)

24 hour(s)

Dynamic Configuration

3 drivers

Sony SRS-XB21

Sony SRS-XB31

What customers say about "Key Specs"

Sony SRS-XB21 Portable Wireless Waterproof Speaker

Sound is powerful enough to fill room up to 30m2.
Very good sound, easy to connect and operate.
Good sound and powerful for the size.
Brilliant little speaker with surprisingly powerful sound for such a small speaker.
Great speaker. Small but powerful. Very good sound quality.

Sony SRS-XB31 Portable Wireless Waterproof Speaker

Decent battery life, choice of colours, well built and rated to withstand outside use so everything you could want.
Streaming music via Bluetooth and Amazon music, just brilliant. great battery life could not be happier.
The quality of the sound is perfect, its very clear and has very good bass output, the build quality is superb.
Great sound quality, poor battery life and disconnects from your phone a lot and it sometimes keeps saying the battery amount without you pressing it.
24h battery? Can party longer than you? On stanby without playing any music and no bluetooth on maybe. Fully charged to zero, half volume on, no lights on its 6hrs constant listening max.

Size & Weight

Color

Black

Width

7.63 in.

9 in.

Depth

2.63 in.

3.1 in.

Weight

1.17 lbs.

1.93 lbs.

Height

3.4 in.

Sony SRS-XB21

Sony SRS-XB31

What customers say about "Size & Weight"

Sony SRS-XB21 Portable Wireless Waterproof Speaker

Small, compact with incredible sound. Easy to use. Very pleased with purchase.
Great design and size. Very powerful.
The compact size and sound make it a winner.
Excellent sound in such a small device.
The speaker is very light and compact, easy to carry.

Sony SRS-XB31 Portable Wireless Waterproof Speaker

For the size of the unit it sounds suprisingly good (and loud), especially if you like bass heavy music
Amazing sound, one of the best I've heard in this sort of size.
I bought this for my daughter, who was always borrowing mine perfect size & sound for the average room.
The sound quality is great for the size of the speaker. Great for portability if you want to take it to the park or a party.
I am impressed. When I saw the size of this unit, I expected it to sound 'tinny': on the contrary, it has a superb bass tone and produces a sound compatible with much heftier speakers.

Features

Controls

Buttons

Material

Plastic

Display Type

Battery Type

Lithium-ion polymer

Supported Systems

Smartphones / Tablets, PC, TV

Hand Strap

Protection

IP67 waterproof, IP67 dustproof

Accessories Included

Micro USB cable

Extras

EXTRA BASS, LIVE SOUND mode, Mica-reinforced speaker, Music Center app, Easy button control

EXTRA BASS, LIVE SOUND mode, Dual 1.89 " speaker units, Mica-reinforced speaker, Line light, Flashing strobe, Party booster, Connect up to 100 wireless speakers, Music Center app, Easy button control

Hand Strap

What customers say about "Features"

Sony SRS-XB21 Portable Wireless Waterproof Speaker

Looks nice and feels nice in the hand.
Feels good quality and sound is great.
Its sound quality is excellent for all music genres.
Excellent quality/price ratio. Amazing material.
It connects to the smartphone quickly, the material is sturdy.

Sony SRS-XB31 Portable Wireless Waterproof Speaker

It connects easily by Bluetooth to my phone, I downloaded the app that can be used to control the volume and lights.
if you want a really nice looking speaker with waterproof and dust proof OH get this for sure!!
The speaker connects automatically and has deep and good bass ! Competitive endurance as well.
Being IP67 waterproof and dustproof is a huge plus for us as we will definitely be using this for beach trips, so knowing sand or splashes of water won't damage it makes it the perfect beach companion.
The lights come on by themselves and i have struggled to connect on the sony music centre app also.

Interfaces

AUX In

Yes

Ethernet Port

Micro USB

Yes

USB

Yes

Lightning Port

NFC

Yes

Card Slot

What customers say about "Interfaces"

Sony SRS-XB21 Portable Wireless Waterproof Speaker

It is a portable bluetooth speaker with quite good connectivity.
It connects to my android 8 phone via AUX.
It connects easily enough. Highly recommend.
Very good sound, easy to connect and operate.
It lacks the USB output that is convenient to charge the mobile.

Sony SRS-XB31 Portable Wireless Waterproof Speaker

I use this alot and battery life is great, the Bluetooth and aux connectivity is great.
The USB out is a nice addition so you can use it as a powerbank for your phone and there's AUX in for flexibility of connection.
One of the best Bluetooth speakers I have ever had the pleasure to use. It connects easily via usb and reliably to any Bluetooth player.
My only hang up on this device is I wish it had a USB-C charging port as it would mean one less cable to carry around.
The only way I got good, uninterrupted, playback results, was to use a phono cable connection and not Bluetooth which, of course defeats the whole object.

Warranty / Certifications

Manufacturer Warranty

1 year(s)

Certifications

Other Information

Manufacturer

Link

Manual

Download

MSRP

99.99 $

149.99 $