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LG LHB645N 5.1 Surround 3D Multiroom Home Cinema System - Black

Save £100

Product Specification

Key Information

Dimensions (H)6.1 x (W)36.0 x (D)29.9
3D Compatible Yes
Audio Power 1000 Watt
Energy Efficiency Class A+
Energy Rating A+
HDMI Output 1
High-res Audio Yes
Internet Connection Ethernet Only
Manufacturer Warranty
AO Aftercare Protection plans from £2.49 per month.More info
1 Year
Player Type Blu-ray Player
Smart Technology No
Ultra HD 4K Compatible No
USB Input 1


Analog RCA L/R Audio Input 0
Analog RCA L/R Audio Output 0
Component Video Input 0
Component Video Output 0
Composite Video Input 0
Composite Video Output 0
Digital Coaxial Input 0
Digital Optical Input 1
Ethernet (LAN) Input Yes
HDMI Input 0


Auto Power Off Yes

Product Detail

Brand LG
Brand LG
Category Home Cinema Systems
Colour Black
Dimensions (H)6.1 x (W)36.0 x (D)29.9
On-mode Power Consumption 135 Watt
Standby Power Consumption 0.5 Watt

Sound Technology

Audio Processing Dolby Digital / Dolby Digital Plus / Dolby True HD / DTS / DTS-HD High Resolution Audio / DTS-HD Mas
Dolby Sound Technology Yes
Number of Channels 5.1
Number of Internal Speakers 5
Speaker Configuration Tall Boy x2, Satellite x2, Centre x1, Subwoofer x1
Speaker Layout 5 Speakers and a Subwoofer
Speaker Type Tallboy / Satellite
Subwoofer Wired

Speaker Measurements

Centre Speaker Dimension 98.5 x 220 x 97.2 mm (HxWxD)
Front Speaker Dimensions 1100 x 290 x 290 mm (HxWxD)
Main Unit Dimensions 60.5 x 360 x 299 mm (HxWxD)
Main Unit Weight 16.4 Kg
Rear Speaker Dimensions 142 x 100.5 x 97 mm (HxWxD)
Subwoofer Dimensions 391 x 172 x 261 mm (HxWxD)

System and Features

1080p Upscaling Yes
4K Upscaling No
Blu-ray Profile 5
Blu-ray Region B
Built-in Instruction Manual Yes
DVD Region 2
FM Radio Tuner Yes
Wall Mountable Speakers No

USB and Media

Supported Audio Formats FLAC / WMA / AAC / MPEG / MP3
Supported Image Formats JPEG
Supported Video Formats MPEG / SMPTE / MKV / AVCHD / WMV / FLV / MP4 / MOV / VOB
USB 3.0 No
USB Playback Movie, Music, Photo

What Does It Come With

Remote Control Standard Remote x 1

What's In The Box

Antenna Yes
HDMI Cable No
Manual / Quick Guide Yes
Power Cable Yes
Remote Control Batteries AAA x 1

Wireless Connections

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

LG LHB645N 5.1 Surround 3D Multiroom Home Cinema System - Black

Save £100
Delivery Delivery from Wed 21st Nov Delivery from tomorrow, 21st November From tomorrow, 21st November From tomorrow, Wed 21st November


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  • Delivery restrictions apply. Please see our delivery page for more information.

△ The earliest delivery date may vary based on your postcode.
Finance From £8.82 a month (APR 19.9%)


If your order is £199 or more, you can spread the cost with our finance options.

Key Features

  • Mixed speaker sizes for incredible audio output
  • 1000 Watts of audio power
  • High resolution audio for brilliant sound quality
  • Bluetooth enabled for wireless connectivity
  • Plays DVD and Blu-ray discs

Product Overview

This home cinema system from LG is made up of freestanding tall speakers and satellite speakers to form rich, high quality surround sound. The system produces a booming 1000 Watts of audio power for intense sound that will blow you away. It also plays high-res audio formats, including FLAC, which reveals all the hidden highs and lows in your favourite tracks, so you can hear them as the artist intended. Plus, the system is Bluetooth enabled, letting you fill the room with your favourite playlist from your tablet or smartphone. And, there is a Blu-Ray player included in the kit so you can combine the phenomenal sound with high definition movies.

Help and Advice

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Questions & Answers

Features we love

Tallboy and satellite speakers

The combination of tallboy and satellite speakers will immerse you in your favourite films and games. Tallboys stand tall on their own, without the need to be shelf or wall mounted, while satellites are smaller speakers placed around your room out of sight. By using both types, your system is able to recreate a wide range of audio experiences, from horror movie monsters creeping up behind you to the thunderous roar of a waterfall in a nature documentary.

Powerful Surround Sound

With a huge 1000 Watts of power, this system is ideal if you love to immerse yourself in a movie. It can create more than enough volume to fill your whole house with sound, so it’s perfect for living every moment of the action, or all the thrills of the match. This model’s impressive wattage means you’ll never lose sound clarity, so film scores will always sound cinematic.

High res Audio

High resolution audio is like high definition TV for your ears. With this system, you can enjoy crisp, clear sound that’s well rounded and natural. The ability to hear clear dialogue, epic music and subtle background noises will truly enhance your movie nights. You’ll be able to enjoy everything in the way it was supposed to be heard, with deep bass and sharp high notes, for the best quality experience.

Connect via Bluetooth

Free yourself from annoying wires and stream your music wirelessly via Bluetooth. Simply connect using your smartphone or tablet. Instantly access your own music library or sign into streaming services to search for the perfect party playlist. At the touch of a button, you can fill the room with your favourite tracks, completely wirelessly.

Customer reviews

4.6 / 5
Showing 6 of 9 reviews


greatlooks good and sounds great the sound quality is fantaSTIC

Stylish surround system

Great sound system, has plenty of volume with a high quality sound. Looks amazing and its packed with plenty of features. Wish it would come with optical or hdmi cable so could have it wired directly straight out of box, it does have bluetooth connection which works great though.

Good value - solidly built

A good value 5.1 surround sound system that looks good too. Easy to setup and connect via HDMI (with ARC) or via optical Toslink. Works flawlessly. No problem with software Good sound quality and supports Dolby Digital TRUEHD and DTS HS MA. Very pleased with the system and the delivery from AO.

Great sound quality

I purchased this LG blu Ray 5.1 system as my old surround sound only played dvds and thought it was time to upgrade. I was initially blown away by the sound quality especially True HD on blu rays and listening to music via Bluetooth. The bass response is fantastic and packs a punch. I also like that you can control the volume on each speaker so you can tweak the speakers to your liking! DVDs also look a lot better than my old system Really crisp I was over the moon! My love of this product was short lived however! After 4 months the player stopped reading blu Ray disks, I don’t have many so probably only watched 6 or 7 since I got this home! The player now won’t read dvds. I contacted LG to complain as was still under warranty and was passed on to a local engineer to fix the system. I would not have expected any issues after such a short space of time as my old system was 5 years old and still working perfectly when I upgraded! I am still waiting after 2 weeks for the system to be repaired as they are apparently waiting on parts. I hope this gets fixed soon as I now have no way of listening to music or watch films. When LG sort this out I might be willing to go 5/5 let’s hope I don’t have to wait much longer

Good sound

We found it difficult to install but we are of course in the upper age bracket. We had to go to a specialist shop and ask for advice which was that we were lacking a lead to get the sound on to the TV. I find it strange that it was not included. Now when we are up and running we really like it

Surround sound

Great product ! Would use AO again for rlevtronic products
Delivery from Wed 21st Nov Delivery from tomorrow, 21st November From tomorrow, 21st November From tomorrow, Wed 21st November
Product information
Finance From £8.82 a month (APR 19.9%)

Any offers are genuine savings. Because we match the prices of competitors, there is the potential for prices to drop further. We will always offer our customers our price match promise. See terms and conditions.

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