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LG S77S Soundbar with subwoofer front view
LG S77S Soundbar horizontal placement
LG S77S Soundbar main front view
LG S77S Soundbar edge view
LG S77S Soundbar with subwoofer front view
S77S

LG 3.1.3 ch High Res Audio Sound Bar with Dolby Atmos® and WOW Orchestra

$449.00

Key Features
All Specs
  • Feel like you’re in the action with Dolby Atmos¹ & DTS:X²
  • Meet the S77 Sound Bar with triple up-firing channels for dialogue clarity
  • Create the perfect harmony and hear synchronized audio from an LG TV and LG Sound Bar speakers ³
  • Control your LG Sound Bar and your LG TV with one remote using WOW Interface³
  • VRR/ALLM lets you enjoy a gaming experience with sound that is smooth and lag-free
  • Step into the scene and feel like you are a part of the action with Triple Level Spatial Sound⁴

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Features and Specs
See All Specs

Dolby Atmos & DTS:X

Add a new dimension of sound that makes you feel like you’re in the action with Dolby Atmos¹ and DTS:X² to bring immersive sound to your room—including up-firing height channels to deliver powerful, moving audio that flows all around you, even overhead.

Sound All Around You

Triple Up-Firing Speaker

Meet the S77 Dolby Atmos¹ and DTS:X² LG Sound Bar with triple up-firing channels, including an industry exclusive up-firing center channel that focuses on dialogue clarity. The S77 delivers a wider and richer soundstage so you can enjoy the most immersive sound experience at home.

Triple Up-Firing Speaker

Triple Level Spatial Sound

Push the boundary of the entertainment experience. Step into the scene and feel like you are a part of the action with Triple Level Spatial Sound⁴ - a virtual dome that delivers a more immersive cinematic experience.

Triple Level Spatial Sound

Clear Voice Plus

Hear clear conversations in movies and shows with Clear Voice Plus. Improve voice clarity through analysis of audio output to deliver more realistic sound through center speakers.

Clear Voice Plus

WOW Orchestra

Create the perfect harmony using the audio from the LG TV and LG Sound Bar to produce the ultimate listening experience. Feel every detail of sound. Use the LG TV and LG Sound Bar speakers at the same time while using one remote to adjust the settings interchangeably³.

WOW Orchestra

WOW Interface

Now, convenience is in your hand. Control your LG Sound Bar and your LG TV with one remote³. Adjust the volume and audio settings, check the connection status and even select a sound mode on the screen, all from the TV remote.

WOW Interface

VRR/ALLM

The LG Sound Bar gives you sound that keeps up with an instantaneous response time, allowing you to enjoy a gaming experience that is smooth and lag-free with a passthrough refresh rate up to 120Hz.

VRR/ALLM

Smart Up-Mixer

Create a wider soundstage to fill your room for a richer immersion of surround sound⁵. Leverage all speakers to convert 2-channel audio into a multi-channel experience.

AI Sound Pro

Deep learning algorithms automatically adjust sound levels depending on what you're listening to. Hear clear vocals in live sports, thunderous bass in live music, and dynamic sound in action scenes.

All Specs

Collapse All

Dolby Atmos®
Yes
Dolby Digital
Yes
Dolby Digital Plus
Yes
Dolby TrueHD
Yes
DTS Digital Surround
Yes
DTS:X
Yes
DTS-HD High Resolution
Yes
DTS-HD Master Audio
Yes
LPCM
Yes
Gaming Enhanced VRR/ALLM
Yes (Up to 120 Hz)
Optical Input
Yes
USB Host
Yes
HDMI eARC
Yes
Auto Volume Leveler
Yes
Dynamic Range Control
Yes
HDMI Audio Return Channel (ARC)
Yes
HDMI Audio Return Channel (eARC)
Yes
SIMPLINK
Yes
Smartphone Music File Playback
Yes
Smartphone Remote App (iOS/Android)
iOS/Android OS
Carton Size (WxHxD)
38" x 9.7" x 17"
Sound Bar (WxHxD)
35" x 2.5" x 4.9"
Subwoofer (WxHxD)
7.7" x 14.2" x 11"
TV Matching
40 inch ↑
Optical Cable
Yes
Remote Control
Yes
Warranty Card
Yes
4K Passthrough (HDCP 2.3)
Yes
Dolby Vision & HDR10 Passthrough
Yes
High Resolution Audio
Up to 24bit/96kHz
Sound Bar Mode Control
Yes
TV Sound Mode Share
Yes
USB Playback
Yes
WOW Orchestra
Yes
Bass Blast
Yes
AI Sound Pro
Yes
Bass Blast +
Yes
Cinema
Yes
Clear Voice
Yes
Game
Yes
Music
Yes
Sports
Yes
Standard
Yes
Channel
3.1.3 ch
UPC
195174059326

For Owners

Warranty Information

¹Dolby, Dolby Atmos and the double-D symbol are registered trademarks of Dolby Laboratories.

²For DTS patents, see http://patents.dts.com. Manufactured under license from DTS, Inc. or its affiliates. DTS trademarks and logos are registered trademarks or trademarks of DTS, Inc. in the United States and other countries. ALL RIGHTS RESERVED.

³Only available on select LG TVs and LG Sound Bars

⁴Triple Level Spatial Sound is available in CINEMA/AI Sound Pro Mode of Sound Bar

⁵Available in all sound modes except Bass Blast.


Images may be simulated and dramatized for illustrative purposes. Actual features, functionality, and other product specifications may differ and are subject to change without notice. Prices, promotions, and availability may vary by model, store, and online. Prices subject to change without notice. Quantities are limited. Check with your local retailers for their final price and availability.

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