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4.1 ch Sound Bar Surround System with Wireless Surround Sound Speakers

  • SJ4R

Key Features

  • High Resolution Audio
  • Wireless Surround Sound Speakers
  • Surround Sound Expansion
  • Bluetooth Streaming
  • Wireless Active Subwoofer
Hear the whole picture

Hear the whole picture.


High Resolution Audio

High Resolution Audio

Digital music has gone audiophile, with higher sampling rates and bit depth which can contribute to a more accurate, more enjoyable listening experience. This CTA-certified sound bar can play back lossless stereo audio at up to 24-bit/96kHz quality.

Wireless Surround Ready

Wireless Surround Speakers

This sound bar includes wireless surround speakers, adding the premium cinema experience of dedicated rear channels, with wireless convenience.

Learn More


Surround Sound Expansion

For a truly cinematic surround audio experience this sound bar includes a receiver unit that links wirelessly to the sound bar and then connects to a pair of supplied speakers that can be placed behind the listener.

Surround Sound Expansion
Adaptive Sound Control

Adaptive Sound Control

For maximum enjoyment of various types of programming (movies, sports, games, etc.), LG-exclusive Adaptive Sound Control can automatically detect what’s playing and then enhance the clarity and impact of the audio.

LG Sound Sync

LG Sound Sync

Enhance the home cinema experience without the clutter of unnecessary cables. LG Sound Sync technology links compatible LG televisions to the sound bar wirelessly, using Bluetooth.

Bluetooth Connectivity

Bluetooth Connectivity

Wirelessly stream music directly from your Smartphone or other compatible device for a seamless listening experience.

Wireless Subwoofer

Wireless Subwoofer

An outboard wireless subwoofer can drastically improve the cinematic audio experience, adding room-shaking bass to movies and more.

High Resolution Audio Up to 24bit/96kHz
Wireless Surround Sound Ready Yes
Bluetooth Streaming Yes
Adaptive Sound Control (ASC) Yes
Sound Sync Wireless Yes
HDMI In/Out Yes
Wireless Active Subwoofer Yes
Soundbar Mode - Channels/Power 2.1ch
Total Power 300W
Bluetooth Remote App (Android) Yes
Bluetooth Stand-By Yes
Auto Music Play (BLE) Yes
Audio Return Channel (ARC) Yes
Adaptive Sound Control (ASC): Default Yes
Standard Yes
Bass Blast Yes
Cinema Yes
Dolby Digital Yes
Front 60W x 2
Subwoofer 180W
Wireless Active Subwoofer Yes
Bluetooth (ver. 4.0) Yes
LG TV Sound Sync (Bluetooth) Yes
LG TV Sound Sync (Optical) Yes
HDMI 1.4 Out 1
HDMI 1.4 In 1
Optical Input 1
USB Host Yes
Portable Audio In (3.5mm) Yes
Soundbar Power Consumption 22W
Soundbar Standby Power Consumption Less than 0.5W
Subwoofer Power Consumption 33W
Subwoofer Standby Power Consumption Less than 0.5W
Recommended TV Size 40" and above
Sound Bar (WxHxD) 35" x 2.2" x 3.4"
Subwoofer (WxHxD) 6.73" x 12.6" x 9.92"
Soundbar Net Weight 5.3 lbs
Subwoofer Net Weight 9.26 lbs
Shipping Size (WxHxD) 38.7" x 16.4" x 8.5"
Shipping Weight 19.2 lbs
Remote Control Yes
Batteries Yes (AAA)
Optical Cable Yes
Wall Mount Bracket Yes
Limited Warranty 1 Year Parts & Labor
UPC 719192616493

What People Are Saying

Rated 4 out of 5 by from Decent Sound I bought this set separately (which was more expensive at the time) in May of 2017 and I am overall satisfied. The quality of sound is superb, although I'll occasionally receive some interference between the bluetooth connection and the subwoofer will black out and come back on. Additionally, while the soundbar is great, I also have an LG tv the produces great sound, so I do not believe it is completely necessary. Setup was very simple and quick. The remote is user-friendly and I like the LED status display on the sound bar. I also use it to listen to music as well. My only other problem is that while watching shows that don't support surround sound will overpower the dialogue. Other than those few things, it's definitely worth the promotional price.
Date published: 2017-12-27
Rated 5 out of 5 by from Great, excellent sound bar almost complete in term I bought it a few days ago and I love the sound effect very happy with this purchase
Date published: 2017-12-22
Rated 4 out of 5 by from Nice sound Bought a few days ago. Set up looked confusing. Instructions are very limited. But actually went very easily and fully set up in about 30- 45 minutes. The part I feared most was subwoofer and rear rear speakers are blutoothed. But simply power up and all connected within seconds. Rear speakers are wireless from the sound bar. But is wired to a supplied router that also needs to be plugged in to power outlet. But again not to the sound bar. So you can put the speakers 10 feet behind you and just plug in to outlet and done. The sound was ok. Then realized I forgot to plug in rear speakers. Then WOW! It sounded amazing. Loudness, it will not break your windows , but is loud enough to irritate anyone witthin your home. Possibly a neighbor aswell. It is 430 amplified watts of kaboom. Most impressive is the subwoofer and clarity! Sound is a 5 Instructions a 3 at best. Remote control no real instructions. 3 Sound bar has no display of volume level (at least i have not seen any) nor have i seen much info on digital display at all. But for the money (I paid on sale 219.00) I simply can not complain. Great for war movies. My main use is music videos. Through the TV.
Date published: 2017-12-07
Rated 5 out of 5 by from Unbelievable sound! This unit more than exceeded my expectations! Wow!
Date published: 2017-11-26
Rated 2 out of 5 by from Misleading product description I just set up the unit and found that even though it is advertised as having wireless surround speakers as well as the box it comes in that says wireless her speakers. The speakers are not wireless, but need to be connected by speaker wire to the receiver to work. This is the same setup I had on a unit I bought 15 plus years ago and they were connected to the receiver but not called wireless. Lg is very inaccurate on the website and the box the unit the come in.
Date published: 2017-11-16
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We're here to support you with our product.

View SJ4R Product Support

Contact us for any support inquiries.


Ask your questions. Share your answers.
Please first review the detailed product information and help guides in the Product Support section for this product prior to posting a question.

Does this work with my LG 60" SJ8000 TV? Does it have to be connected or will 

Asked by: jconcepcion
Yes, it will work and would have to be connected from the Digital Optical out from the TV to the SJ4R. ^AC
Answered by: amber
Date published: 2018-01-12

I just got the SJ4R and can't get any sound to come thru. I don't have the optical plug on my tv. I have HDMI but it isn't the ARC. Is there another wire I can get or is this just not compatible? My tv is LG so I thought this would connect, but it isn't.

Asked by: SW322
For sound to come through, you must be sure to turn off the internal speakers of the LG TV. Please come talk to us on Twitter at @LGUSSupport, on Facebook at @LGUSSupport or give us a ring at 1-800-243-0000 so we can see what is going on. ^AC
Answered by: amber
Date published: 2018-01-08

Where can I download owners manual for Sj4r sound bar

Asked by: Jd21
A copy of the owner's manual can be found here: ^CP
Answered by: ChrisPSM
Date published: 2018-01-06

I just set this system up and hear constant static in the two outside speakers within the soundbar.  The inside are fine.  Also some static in the rear surround.  Please help

Asked by: JWma
Hello JWma, we do need some more information to be able to assist. Please give us a call when you are with the unit at 1-800-243-0000. ^AC
Answered by: amber
Date published: 2018-01-02

I have my sound bar plugged in. Every time I am watching tv and a commercial comes on the sound automatically shuts of (standby) and reboots. How can I fix this? It also has happened while watching movies. 

Asked by: Megan1234
Hello Megan1234, we do need some more information to be able to assist. Please give us a call when you are with the unit at 1-800-243-0000. ^AC
Answered by: amber
Date published: 2017-12-28

The product description says 4.1, is is possible to add 2 more speakers for front left and right to make the system 6.1? And how? Which speakers should, could be added?

Asked by: ZacHH
You can enjoy surround sound by using Wireless Rear Speakers kit. (SPJ4-S) The owners manual provides information about set up. ^AC
Answered by: amber
Date published: 2017-12-26

Will this play 5.1 content and if so will it be true 5.1?

Asked by: BobR12321
Yes, this unit is a 5.1 High Resolution Audio Surround Sound unit. ^AC
Answered by: amber
Date published: 2017-12-19

Will this support Spotify or other wifi apps? Also will this support 4K passthru for HDR pro.

Asked by: bala1987
no. LG Joel took the long way to slightly mislead you. you need a soundbar that is hdmi 2.0 with hdcp 2.2 to handle 4k HDR content. sure 4k will pass through at a max of 30hz. but it wont pass through 4k 60hz and especially not 4k 60hz hdr.
Answered by: carlosriosness
Date published: 2017-12-17
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