We use cookies on our site to make sure we give you the best service possible. To give your consent, carry on shopping, or find out more about cookies here.


Samsung HW-K551 Bluetooth Soundbar with Wireless Subwoofer - Silver

save £80 was £299 *
Product data sheet Add to basket

Product Specification

Key Information

Dimensions (H)5.4 x (W)101.0 x (D)8.7
3D Compatible Yes
Audio Power 340 Watt
Curved Design No
HDMI Output 1
High-res Audio (FLAC) Yes
Ideal for TV Size Upto 65 Inches
Internet Connection No
Manufacturer Warranty
AO Aftercare available More info
1 Year
Product Description Samsung 340Watt Sound Bar
Smart Technology No
USB Input 1
Warranty Registration Required With Samsung within 90 days of purchase


3.5mm Line In 1
Analog RCA L/R Audio Input 0
Analog RCA L/R Audio Output 0
Digital Coaxial Input 0
Digital Optical Input 1
Ethernet (LAN) Input No
HDMI ARC (Audio Return Channel) Yes
HDMI Input 1
Other Connectivity Anynet HDMI CEC, Bluetooth 2.1, Auto power link

Features We Love

TV Sound Connect Yes

Product Detail

Brand Samsung
Category Soundbars
Colour Silver
Dimensions (H)5.4 x (W)101.0 x (D)8.7

Sound Technology

3D Sound No
Audio Processing Dolby 5.1ch , DTS 2 ch
Dolby Sound Technology Yes
MQA Audio Compatible No
Multi Positional Speakers No
Number of Channels 3.1
Number of Internal Speakers 6
Speaker Configuration Soundbar x1, Subwoofer x1
Speaker Layout 6 Speakers and a Subwoofer
Speaker Type Soundbar only
Subwoofer Wireless

Speaker Measurements

Main Unit Dimensions 54 x 1010 x 87 mm (HxWxD)
Subwoofer Dimensions 335 x 452 x 154 mm (HxWxD)

System and Features

Auto Power Off No
Built-in Instruction Manual No
DLNA Certified No
Energy Saving Mode No
Main Unit Wall Mountable Yes
On-mode Power Consumption 53 Watt
Parental Control No
Standby Power Consumption 0.9 Watt

USB and Media

HEVC / H.265 4K Codec No
Supported Audio Formats MP3, WMA, AAC, OGG, FLAC, WAV
USB 3.0 No
USB Playback Music Only

What's In The Box

Manual / Quick Guide Yes
Power Cable Yes
Remote Control Standard Remote x 1
Remote Control Batteries AAA x 2
Wall Bracket(s) Yes

Wireless Connectivity

Bluetooth Yes
Google Cast No
Multiroom Compatible No
NFC (Near Field Communication) No
WiFi No
WiFi Direct No
Wireless Rear Speakers No
Wireless Soundbar Compatible (same brand only) Yes
Wireless Subwoofer Yes

Samsung HW-K551 Bluetooth Soundbar with Wireless Subwoofer - Silver

was £299 * save £80
In stock
Add to basket
Delivery Delivery from Tue 21st Feb Delivery from tomorrow, 21st February From tomorrow, 21st February From tomorrow, Tue 21st February


We’ll deliver any product to your home, 7 days a week and even the next day.

  • We schedule deliveries from 7am until 7pm. 
  • You can choose a paid morning or afternoon delivery timeslot when you checkout.
  • Free delivery is also available.
  • We’ll text you a 4 hour timeslot on the morning of your delivery.
  • We'll give you your driver’s number just in case there are any issues.
  • Your driver will attempt to call you when they're on the way.

△ The earliest delivery date may vary based on your postcode.

Save £50 on this soundbar

When bought with a matching TV

Add both products to basket and use discount code:


Shop selected TVs

Finance From £7.35 a month (APR 19.9%)


Spread the cost with a range of finance options

We've got a couple of simple payment options to help you spread the cost. It takes just 10 minutes to apply and we'll give you a decision straight away. We offer:

  • 12-48 month finance agreements
  • Buy Now Pay Later - this lets you take a 6-12 month payment holiday.

Key Features

  • Ideal for TVs up to 65 inches
  • High resolution audio for brilliant sound quality
  • Bluetooth enabled for wireless connectivity
  • Wirelessly connects to your Samsung TV by Bluetooth
  • Wireless subwoofer for booming bass

Product Overview

This stunning Samsung soundbar is great for movie nights. It’s the perfect fit for TVs up to 65” in size, and it produces high resolution audio quality, so you’ll capture the soaring highs and booming bass of your favourite films and box sets. It can also connect to your smartphone or tablet via Bluetooth, so you can stream your music playlists effortlessly. The subwoofer is wireless, so it can be discreetly hidden away – producing rumbling low tones for an epic movie night in.

Live Chat

We’re not online right now.

Live Chat

Start a chat with one of our experts.

Launch Live Chat

Help and Advice

Need a few things clearing up? Check out our Help and Advice section.

Visit Help & Advice

Questions and Answers

We’ll answer any questions and queries you have.

View Q+A

Questions & Answers

Customer Reviews

2.0 / 5 1 Review
0% would recommend to a friend
Showing 1 review

Hw-k551 Bluetooth problem

Big problem. When listening music via Bluetooth Constant interferences occur if subwoofer si connected. No solution for that.

Pros: Ease to use, Good build quality, Looks good Cons: Poor quality

Want to write a review?

Write a review
Delivery from Tue 21st Feb Delivery from tomorrow, 21st February From tomorrow, 21st February From tomorrow, Tue 21st February
Product information
Finance From £7.35 a month (APR 19.9%)
* HW-K551 was at the higher price between 30/09/2016 and 31/10/2016.
Intervening prices between the "was" and the "now" price have applied. Intervening prices may have been lower than the current price due to our price match promise or other promotions during the intervening period.
Close Email me this product Send product

Welcome to AO

We've got a special offer for you!


Enter your email to get your unique discount code
Get code
Please enter a valid email address
Opt in please for newsletter
Sorry, there was a problem please try again later
It's as easy as...
Enter your email to instantly reveal your code
Add your chosen product to the basket
Apply the discount code in the basket
Don't miss out, we'll only show this offer once! T&Cs apply


Here is a unique discount code just for you.
Your unique discount code:
Code expires in 30 days

We've saved the code in your basket if you're ready to shop now

Shop now
How to redeem your code:
Make a note of your unique discount code
Add your chosen product to the basket
Apply the discount code in the basket