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LG SL9Y 4.1.2 Channel 500W Sound Bar w/ Meridian Technology & Dolby Atmos

Model # SL9YG

 4.8 out of 5 (14 Reviews)

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Bluetooth® wireless is effortless.

It's so easy to wirelessly pair your LG sound bar, you'll feel like an audio expert. Bluetooth® 4.2 provides range and reliability to connect your LG sound bar to your TV or device, or you can connect via LG Sound Sync*.

4K Pass-through enabled.

4K pass-through ensures a full home theater experience when passing through HDMI connections from an external source, such as a 4K Blu Ray player or streaming device.

The brilliance of the Google Assistant built-in.

LG smart sound bars offer the ultimate in voice control with the Google Assistant* built-in. Just say "Ok Google" and give a command to control your sound bar, entertainment and smart home.

Works with Google Chromecast .

Cast your favorite music wirelessly from your phone's streaming apps, such as Pandora® or Google Play Music. You can even group Chromecast-enabled speakers for a whole-home audio experience.

Experience powerful, moving audio.

Originally created for the cinema, Dolby Atmos sound technology creates powerful, moving audio that seems to flow all around you, even overhead.*

DTS:X is sound that moves all around you.

DTS:X is an immersive audio decoder that places sound where it would occur naturally in space, creating a more lifelike, multi-dimensional audio experience. Feel like you're in the middle of a car chase or hear a storm thundering above you.

MERIDIAN Technology raises the sound bar.

LG partnered with Meridian Technology, pioneers of High-Resolution Audio, to combine advanced signal processing and refined hardware design, creating a sound field with greater height, width and depth.

Audio that sounds closer to the real thing.

Leading audio processing technology provides sound quality that surpasses CDs, and allows you to enjoy a stunning 24-bit/192kHz audio resolution - as close to original sound as you can get.*

Transformative and Exceptional

Brings out every little audio detail of your favorite movies, emanating multi-dimensional sound.

CES Innovation Awards 2019 Honoree

The CES Innovation Awards are presented to latest products that we've selected as the best examples of engineering, design and innovation for CES 2019.

CES Innovation Awards 2019 Best of Innovation

The CES Innovation Awards are presented to latest products that are selected as the best examples of engineering, design and innovation for CES 2019. The Best of Innovation is given to only the highest-rated product or technology in each category.

Feel audio from every direction.

Expand your surround sound with two additional wireless speakers in the mix. 2.0ch Rear Speaker Kit expansion delivers audio from behind you for true physical depth of immersive, surround sound in a wall-mountable design.


  • 4.1.2 Channel & 500W
  • With Meridian Audio's Advanced Technologies
  • Dolby Atmos® & DTS:X
  • Google Assistant built-in
  • Chromecast Built-In
  • High Resolution Audio (24bit/192kHz)
Dolby Atmos Yes
Google Assistant Built-in Yes
High Resolution Audio Up to 24bit/192kHz
24-bit Upsampling Yes
Hi-Fi DAC Yes
4K Passthrough (HDCP 2.2) Yes
Group Play Mode Yes (Chromecast)
Multi-Room Mode No
Easy Setup with BLE Yes
Chromecast Built-in Yes
Wireless Surround Sound Ready Yes (SPK8-S)
Bluetooth Streaming Yes
DTS Virtual:X No
Meridian Audio Technology Yes
Works with the Google Assistant Yes
USB Playback Yes
Channels 4.1.2ch
Total Power 500W
TV Remote Compatibility Yes
Smartphone Remote App (iOS/Android) Yes/Yes
Easy Setup with BLE Yes
Auto Volume Leveler Yes (In App)
Audio Return Channel (ARC) Yes
Dynamic Range Control Yes (In App)
Firmware Over-the-air (FOTA) Yes
Night Mode Yes
LCD Display Auto-Dimmer Yes
ASC (Adaptive Sound Control: Default) Yes
Standard Yes
Music Yes
Bass Blast Yes
Bass Blast + Yes
Movie Yes
Dolby Atmos Yes
Dolby Atmos® Yes
Dolby TrueHD Yes
Dolby Digital Plus Yes
Dolby Digital Yes
DTS Digital Surround Yes
DTS-HD Master Audio Yes
DTS-HD High Resolution Yes
FLAC (Up to 192kHz) C4A / USB Yes / X
OGG (Up to 48kHz) C4A / USB Yes / Yes
WAV C4A / USB Yes / X
MP3 C4A / USB Yes / Yes
AAC Yes / Yes
AAC / AAC+ Yes
Front 50W x 2
Surround 40W x 2
Top 50W x 2
Subwoofer 220W
Wi-Fi Yes
Wireless Active Subwoofer Yes
Bluetooth Yes (4.2)
LG TV Sound Sync (Bluetooth) No
LG TV Sound Sync (Optical) Yes
Optical Input 1
HDMI 2.0 (HDCP 2.2) Out 1
HDMI 2.0 (HDCP 2.2) Input 1
Soundbar Power Consumption 60W
Soundbar Standby Power Consumption <0.5W
Subwoofer Power Consumption 36W
Subwoofer Standby Power Consumption <0.5W
TV Matching 55" and above
Sound Bar (WxHxD) 48.03" x 2.2" x 5.7"
Subwoofer (WxHxD) 8.7" x 15.4" x 12.3"
Soundbar Net Weight 13.9 lbs
Subwoofer Net Weight 16.8 lbs
Shipping Size (WxHxD) 50.6" x 11.2" x 18.4"
Remote Control Yes
Batteries Yes (AAA)
Optical Cable Yes
Wall Mount Bracket Yes
Cable Management Yes
Warranty Card Yes
Limited Warranty 1 Year Parts & Labor

Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

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out of 5 (14 Reviews)

50% of reviewers recommend this product.


Submitted by BrentC - 12/28/2019

Purchased the sound bar a few weeks ago and couldnt be happier. I was truly amazed at the full rich theatre sound coming from it. Installation was super easy and it also looks very stylish. I couldnt be happier
Originally posted on

Yes, I recommend this product

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Great sound

Submitted by DavidDan - 10/15/2019

The surround sound is outstanding and looks really good
Originally posted on

Yes, I recommend this product

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Huge Sound

Submitted by RJP79 - 9/29/2019

This is an amazing sound bar with tons of sound. Hook it up with the rear LG speakers and you will be impressed.
Originally posted on

Yes, I recommend this product

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Excellent Sound Quality

Submitted by Jay2324 - 9/28/2019

Excellent immersive sound quality. Crystal clear sound and perfect Bass. Bought this a week ago and Im already happy with this purchase. I did compare multiple soundbars from all leading brands. Decided to go with this LG sound bar.Brushed metal looks and better build quality. Supports Dolby Atmos and DTS-X which is plus. Setting up the LGSL9Y was easy but Google Assistant setup took sometime to troubleshoot and it works. Performance is much better when the bar is set horizontally on the TV stand compared to mounting it. Adding Wireless surround sound kit would be great for watching movies. I would definitely recommend this sound bar to anyone looking for a sleek design and great sound quality.
Originally posted on

Yes, I recommend this product

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Upgrade your sound

Submitted by r2down22go - 8/21/2019

I typically hook a full 5/1 or 7/2 sound system to all of my tvs. I was excited to see what this new bar could do. The packaging was very good. Everything arrived in great shape. Hookup was easy enough. I went with both optical and hdmi connections. Single wires. No issues to report. Wi FI was easy to connect . again no issues to report. I did think that the wall installation was very easy. The paper cutout was a big help and I was able to get the unit hung correctly and level on the first shot. Looks great and saves a bunch of space. My room looks huge without all of the full sized equipment I removed. My initial feeling on the sound is that it is rich detailed and if wanted loud. I am still looking at the Bluetooth hookup and I have to figure out how to adjust the sync features. The sub is loud but tight and not boomy . Is that a word? The remote is basic and has the features needed but the sound is easy to control with my LG tv remote. I will report back on the different sound filters as I have not had enough time to play with them yet. 7-26-2019: I was right I love it. Changed from the wall hanger to a shelf in front of tv. Love the sound. Loud and crisp. I did buy the rear wireless speaker kit. Huge upgrade. Movies sound almost as good as my old Denon and klipsh system but no huge footprint Sub is loud but not muddy. I even get a nice soundstage feel for music. Buy this one : *Disclaimer: I received this product at a discount in exchange for my honest opinion.
Originally posted on

No, I do not recommend this product

Awesome Soundbar

Submitted by Jlm80 - 8/21/2019

This soundbar looks great on my mantle and provides excellent sound. The slim design fits and matches nicely with my TV. The different sound options allow me to customize how I hear movies music and games. The sub-woofer provides great bass and really helps movies come to life. I received this product at a discounted price in exchange for my honest opinion
Originally posted on

No, I do not recommend this product

Excellent sound

Submitted by RaquelLozano - 8/20/2019

I received this product at a discounted price in exchange for my honest opinion. Now opinion is that the surrond sound system is amazing Crisp sound and we even went out and bought the wireless rear speakers. This made the quality much better But even with out the extra speaker that we purchased the sound system works amazing The Dolby Atmos is great lets you feel like your surrounded by the action in the movie. Gives off a great movie theater sound. The Chromecast and Google Assistant are great tools and the setup was so easy that i was able to conect on my own. I am also able to connect my phone and control the sound bar so when i misplace my remote i can still control the system. All I had to do was turn on Bluetooth to my phone and it connected that easy.
Originally posted on

No, I do not recommend this product

A step in the right direction?

Submitted by Darkval - 8/20/2019

I have had the LG SL9Y for almost two weeks and its an enormous improvement over last years SK9Y. I went out and bought the wireless speakers SPK8 to pair with the soundbar for a second time. The set up was the same as last years model. Just make sure you are using a HDMI 2.0 cable and ARC to connect the sound bar to the TV you are using. Also make sure if you have last years model to make sure it is off so that it pairs with the wireless sub-woofer correctly and the wireless rear speakers as well. The sound bar can be wall mounted in two positions but I recommend placing it on an TV stand or table of choice because of the Atmos channel height requirements. Set up was a breeze after the installation of the Google home app and software update. The Soundbar does support Google assistant and the controller has a dedicated button to activate it. Google assistant works just as it works on your phone and you can request it to play from Spotify Google play music Pandora to list a few or even ask how the weather is today. This is a great inclusion in this years sound bar that I enjoy the best. The sound bar also supports DTX compared to last years model and Im glad it is included. The sound is crisp and excellent when on Atmos paired with the rear speakers while watching Captain Marvel for a fifth time while testing. You dont really notice the missing center channel that the SL10Y and SK9Y have but I think this is because of the Meridian technology and Im very impressed. This is really a step in the right direction but not including an Ethernet port and E-ARC which their new TVs support is the only downside of this years model. I am hopeful that LG can release a firmware update to support E-ARC like other manufacturers have in the last couple months. I would recommend this soundbar if you are not looking for Ethernet support and E-ARC but if you are looking for these items then I suggest looking at the competition before buying this years LG soundbar lineup. Also I received this product at a discounted price in exchange for my honest opinion.
Originally posted on

No, I do not recommend this product

Great sound

Submitted by DwayneJohnson - 8/20/2019

I own many LG products from large to small I really cant say enough good things about LG. Naturally when it came time to upgrade my soundbar it was obvious on which brand to go with. Im loving my LG SL9Y soundbar with its sleek look. It has a lot of amazing features like Bluetooth built-in Google Assistant and you can really hear the high-quality sound and pairs great with LG 75 Nano Cell ultra-premium LED TV for the ultimate entertainment experience. I received this product at a discounted price in exchange for my honest opinion.
Originally posted on

No, I do not recommend this product

Hear it all

Submitted by Hobsond - 8/20/2019

I received the LG SL9YG Sound Bar at a discounted price for my honest review. I am so happy I got this Sound bar It is amazing I can hear all the sounds so clear even the twigs breaking when they step on them in the shows. On one show there was thunder in the background and my husband asked if it was starting to storm outside It makes all our shows and movies sound great without a bunch of wires or speakers all over our room. There is Bluetooth and Wi-Fi capability to hook up to your phone and the subwoofer. We used the optical cord to hook ours up and it went quickly. Hanging it on our wall was simple too This product is top notch in sound quality and easy to use.
Originally posted on

No, I do not recommend this product

Totally Fills My Apartment with Sound

Submitted by alex185 - 8/14/2019

Having just set up the LG SL9Y in my apartment and running it through various audio such as movies TV video games and streaming music I can honestly say this is the best sounding sound bar I have ever heard. The way it fills the room makes it seem like the sound is coming from more than just the bar itself and it has a wonderful full and rich sound. It also looks great and fits in front of my 65 TV perfectly which brings a wonderful ascetic to my setup. My only real complaint is with the setup. The directions were a bit limited and I couldnt get it to connect to WIFI when running the app. This is needed to setup the Google Assistant and allows you to connect through blue tooth. It kept searching but wouldnt pair and eventually gave me a website to go to for more help but the website didnt provide any additional information. After many tries of unplugging it and plugging it back in I eventually uninstalled the Google Home app restarted my phone and reinstalled the app and it connected on the first try. Once it was connected the sub automatically connected and I was on my way. I would definitely recommend this sound bar to anyone that is looking for a sleek design and great sound for their media
Originally posted on

No, I do not recommend this product

Great Mid-Range Sound Bar

Submitted by GatorDan - 7/24/2019

The LG SL9Y is a solid sound bar that will be more than sufficient for the majority of users. Lets go through the pros and cons. Pros: 1. Great range - This sound bar has very good frequency range much better than some of its competitors. Movies sound very clear and balanced. It is easier to distinguish notes when listening to music. The inclusion of a sufficiently powered subwoofer completes the range at the low end. 2. Quick Input Change - This sound bar supports multiple inputs wi-fi bluetooth HDMI ARC USB and it can change between each in only a few seconds. When I have people over I often will change between TV audio and music regularly. In only about 2-3 seconds this sound bar will go from playing TV audio to streaming audio from Spotify. My previous sound bar would take more than 10 seconds and often would encounter some error that would require a reboot to function again. 3. Design - I really like the look of this sound bar. It isnt very tall but it is wide as you can see from my pic. I have received many compliments from guests on its look and how it matches with the rest of my setup. 4. Sound Effect - The LG SL9Y has five sound effects bass blast standard movie music and ASC. Each one is very distinct from the others and offers a nice range of choices. The two I use the most are movie and music. Movie has a little more low end and music prioritizes highs. It would be even better if LG also allowed users to have an eq control the app does allow you to control treble bass and subwoofer levels but there is enough differences in the sound effects to satisfy most people. Cons: 1. Dolby Atmos - This speaker has two top firing speakers and two side firing speakers. The top speakers do add a very nice vertical sound stage to dolby atmos supported content. However I dont get anything from the sound firing speakers. Perhaps its because I have it in a recessed area for my entertainment center. 2. Connectivity issue - This might not be a one off issue that I encountered but when I originally set this sound bar and subwoofer up the subwoofer would randomly drop sound for 2 seconds every couple of minutes. I contacted LG support and they total me to reset the sound bar and it has worked great ever since. Conclusion: This is a really good product and if you can find it on sale I would highly recommend that you pick it up.
Originally posted on

Yes, I recommend this product

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Full and Immersive Sound

Submitted by Farmer Green - 7/1/2019

Ive owned the soundbar as well as the rear speaker kit for about 3 weeks now. The sound is wonderful when watching films television and playing video games. I would recommend the set. I also own a LG OLED television and they play quite well together. Using the optical audio cable and an HDMI cable there is dual control and they power on/off together.
Originally posted on

Yes, I recommend this product

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I love it

Submitted by Jesse1992 - 1/10/2019

Ive had mine for 50 years now and its hands down the best purchase i have ever made
Originally posted on

Yes, I recommend this product

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