You’ll find the LG S90QY soundbar offers impressive value with its 5.1.3-channel configuration and Dolby Atmos support.
The premium build quality features an elegant fabric cover, whereas the compact subwoofer delivers punchy bass down to 33.2 Hz. You can easily connect via Bluetooth, Wi-Fi, or HDMI eARC, and the AI Room Calibration optimizes sound for your space.
The included wall-mounting brackets make installation a breeze, and you’ll appreciate the Clear Voice mode for improved dialogue clarity.
With strong user ratings and expert scores around 90/100, this soundbar merits closer inspection for your home theater setup.
Key Highlights
- The LG S90QY delivers powerful 5.1.3-channel audio with Dolby Atmos support and a 220W subwoofer for immersive home theater sound.
- User-friendly setup includes wall-mounting options, multiple connectivity ports, and AI Room Calibration for optimized acoustic performance.
- Strong 4.5/5 user rating from 585 reviews and 90/100 expert score indicate reliable performance and good value.
- Features Bluetooth, Wi-Fi, and HDMI eARC connectivity, plus compatibility with Amazon Alexa and Google Assistant.
- Clear Voice mode enhances dialogue clarity, while AI Sound Pro and preset modes optimize audio for different content types.
- With an impressive home theater setup, envelop yourself in a stunning surround sound experience with 5.1.3 channels and hear every line of dialogue clearly with an up-firing center channel. Connectivity Technology : Bluetooth 5.0, Soundbar Power Consumption : Subwoofer Power
- Dolby Atmos* and DTS:X** bring multidimensional sound to your room—including up-firing height channels to deliver powerful, moving audio that flows all around you, even overhead
- Unleash the power of IMAX content at home with IMAX Enhanced. Stereo (2-channel) content is upmixed to immersive, multichannel audio with Meridian Horizon's adaptive upmixing technology
- Choose your go-to voice assistant like Google Assistant or Alexa, and control your favorite features like Chromecast, AirPlay 2, and more***
- Sound bar, wireless subwoofer, remote control with batteries, wall mount brackets, and HDMI cable are included. Smartphone Remote App (iOS/Android) iOS/Android OS
Smart Voice Connectivity Functions
Although you’ll appreciate the LG S90QY’s ability to integrate with external voice assistants like Alexa and Google Assistant through connected devices, the lack of built-in voice control might disappoint smart home enthusiasts.
The soundbar makes up for this with its user-friendly remote control and LG Sound Bar app, which offer thorough management of your audio settings and playback options. You can likewise program the soundbar to respond to your TV remote commands, adding convenience in spite of the absence of native voice assistant support.
What We Liked
The smart connectivity features of the LG S90QY strike an impressive balance between flexibility and functionality. You’ll appreciate how the soundbar effortlessly integrates with your existing smart home setup through compatibility with Amazon Alexa and Google Assistant, even without built-in voice control.
The wireless capabilities truly shine with both Bluetooth functionality and Wi-Fi connectivity, giving you multiple options for streaming your favorite content.
What really stands out is the LG Sound Bar app‘s customizable controls, available for both iOS and Android devices. You can fine-tune your sound settings and manage your audio preferences directly from your smartphone.
The ability to program the soundbar to respond to your TV remote adds another layer of convenience, effectively reducing remote clutter in your entertainment setup.
Whether you’re streaming music through Bluetooth from your phone or accessing content through network streaming services, the interface remains intuitive and user-friendly.
The combination of wireless features and smart device integration makes the S90QY a versatile addition to any modern home theater system, offering you extensive control options without overwhelming complexity. Buy it here!
What Can Be Improved
Smart voice connectivity stands out as a notable weakness in the LG S90QY’s otherwise impressive feature set.
You’ll need to rely on external devices since the soundbar lacks built-in voice assistant capabilities, which can be frustrating when you want to make quick audio adjustments. Although you can connect with Amazon Alexa and Google Assistant, you’ll have to set up additional compatible devices to facilitate voice commands.
The LG Sound Bar app serves as your primary interface for accessing advanced audio settings, but without native voice control, you’re missing out on convenient hands-free operation.
Even though smart home integration is possible, the dependence on external voice assistance devices doesn’t deliver the seamless user experience you’d expect from a premium soundbar.
Although firmware updates via USB can introduce new sound improvement features, the absence of built-in voice control limits your overall user engagement with the device.
The lack of direct voice command support means you’ll need to juggle between multiple devices for full compatibility, which could be streamlined if voice control was integrated into the soundbar itself.
First Impressions

From the moment you unwrap it, LG’s S90QY soundbar commands attention with its sophisticated design and substantial 47.2-inch width. Its slim 2.4-inch height and sleek profile make it an elegant addition to your entertainment setup, as the impressive 4.5-star rating across 585 reviews suggests you’re in for a treat.
You’ll notice the soundbar’s premium build quality immediately, but it’s when you power it up that things get interesting. The wireless subwoofer requires some volume adjustment to fully activate its bass launch capabilities, so you’ll want to experiment with the settings to find your sweet spot.
The inclusion of both Dolby Atmos and DTS:X technologies promises an immersive listening experience right from the start, though you might want to run the AI Room Calibration first. This clever feature analyzes your room’s acoustics to optimize the sound output, ensuring you get the best possible audio clarity regardless of your space’s layout.
The 5.1.3 channel configuration delivers a sophisticated soundstage that fills the room, making it clear why this system has earned such high customer satisfaction ratings.
Unboxing – What’s Inside?
When you open your LG S90QY package, you’ll find a thorough setup that includes the 47.2-inch wide soundbar unit and its accompanying wireless subwoofer.
Inside the box, you’ll additionally receive vital accessories like the remote control, HDMI digital audio/video cable, and wall mounting brackets with all necessary hardware.
The thoughtfully packed components come with a detailed user manual that guides you through the installation process, ensuring you can take advantage of features like room calibration right from the start.
Specifications
Inside the LG S90QY package, you’ll find everything needed for a complete home theater setup. The soundbar’s dimensions measure 47.2 inches wide, 2.4 inches high, and 5.3 inches deep, making it an ideal fit for most entertainment centers.
The wireless subwoofer complements the setup with measurements of 8.0 inches wide, 15.9 inches high, and 15.8 inches deep, providing powerful bass without taking up excessive space.
The LG S90QY features a durable plastic build wrapped in an attractive fabric cover, ensuring both style and longevity.
You’ll appreciate these key components and features:
- A premium wireless subwoofer for deep, room-filling bass
- An HDMI digital audio/video cable for high-quality connectivity
- A user-friendly remote control for convenient operation
- Wall mounting brackets with an installation guide and mounting template
The product comes with a thorough 12-month warranty covering both parts and labor, giving you peace of mind about your investment.
Whether you choose to mount it on the wall or place it on your entertainment center, the included mounting hardware and detailed installation guide make setup straightforward and hassle-free.
Design and Build Quality
Crafting a soundbar that balances form and function, LG has delivered impressive build quality with the S90QY.
You’ll find a sturdy construction that combines durable plastic with an elegant fabric cover, creating a premium look that’ll complement your living space. The soundbar’s sleek dimensions of 47.2 x 2.4 x 5.3 inches strike an ideal balance between presence and subtlety, making it a refined addition to your entertainment setup.
The accompanying subwoofer follows the same design philosophy, measuring a compact 8.0 x 15.9 x 15.8 inches, which allows for flexible placement without compromising on performance.
In terms of installation options, you’ll appreciate the included wall-mounting brackets that give you the flexibility to position the soundbar exactly where you want it.
The S90QY’s modern design aesthetics reflect its premium positioning in the market.
You can see LG’s attention to detail in every aspect of the build, from the quality of materials to the precise finishing. This thoughtful approach to design guarantees the soundbar not only performs well but also improves your room’s visual appeal.
Rich Bass Reproduction Delivers
The LG S90QY‘s powerful 220W subwoofer forms the backbone of its impressive bass performance, delivering deep, resonant low frequencies that extend down to 33.2 Hz.
You’ll experience rich bass reproduction that adds depth and impact to both music and movies, thanks to the subwoofer’s ported design that improves low-frequency response.
When it comes to music playback, rated at 7.9, you’ll find the LG S90QY offers well-balanced bass that complements various genres effectively.
As you might notice some boominess at higher volumes, the overall sound quality remains strong and engaging.
The subwoofer’s substantial output guarantees that deep bass notes are clearly articulated, creating an immersive audio experience that brings your entertainment to life.
You won’t be locked into a one-size-fits-all approach, either.
The customizable bass settings let you fine-tune the low-frequency output to match your preferences and room acoustics.
Whether you’re watching action-packed movies or enjoying your favorite music, you can adjust the bass levels to achieve the perfect balance between power and precision, making sure your audio experience always hits the right note. Buy it here!
Features – What We Found

You’ll find the S90QY packed with advanced audio decoding capabilities, supporting both Dolby Atmos and DTS:X for immersive surround sound experiences.
The soundbar’s wireless connectivity shines through multiple options, including Bluetooth, Wi-Fi, Chromecast, and Apple AirPlay, making it easy to stream your favorite content.
The built-in AI Room Calibration optimizes your listening experience by adjusting to your room’s acoustics, whereas the sleek design and user-friendly controls through both the remote and LG Sound Bar app improve its overall appeal.
Audio Decoding Capabilities
Versatility defines the LG S90QY’s audio decoding capabilities, with support for both Dolby Atmos and DTS:X delivering impressive spatial audio performance.
You’ll experience immersive sound through its sophisticated 5.1.3 channel configuration, which includes three up-firing speakers that create a convincing overhead soundstage.
The soundbar’s intelligent room calibration system guarantees you’re getting ideal audio quality by analyzing your room’s acoustics and adjusting output accordingly. This enhancement works effortlessly with the unit’s advanced audio decoding to maintain consistent performance regardless of your space’s layout.
You’ll find the Clear Voice mode particularly useful for enhancing dialogue clarity during movies and TV shows.
Connectivity won’t be an issue, as the S90QY offers HDMI eARC, optical audio, and USB inputs for high-quality audio pass-through from various sources.
The customizable sound settings let you fine-tune your listening experience with adjustable bass and treble levels. Whether you’re watching action-packed movies or enjoying your favorite music, you can tailor the acoustics optimization to match your preferences, creating an audio profile that suits your specific needs.
Wireless Connectivity Options
Building on its strong audio capabilities, wireless connectivity stands out as one of the S90QY’s strongest features. You’ll find extensive Bluetooth functionality that allows smooth wireless audio streaming between the soundbar and your various devices.
The built-in Wi-Fi capability lets you connect to your home network and access streaming services without any physical connections.
For those who prefer traditional connections, the soundbar doesn’t disappoint. You’ll get multiple HDMI inputs/outputs, including HDMI eARC support that delivers high-quality audio pass-through to compatible devices.
When your wireless network isn’t performing at its best, you can rely on the Ethernet LAN port for a stable, wired connection that guarantees uninterrupted streaming and timely firmware updates.
While the S90QY doesn’t have built-in voice assistants, it works effortlessly with both Amazon Alexa and Google Assistant through external devices.
This integration allows you to control your audio playback using voice commands, adding another layer of convenience to your home entertainment setup.
Whether you’re streaming music, watching movies, or gaming, the S90QY’s diverse connectivity options make sure you’ll stay well-connected.
Smart Sound Features
Intelligence drives the S90QY’s smart sound capabilities, starting with its AI Room Calibration system that automatically fine-tunes audio output based on your room’s unique acoustics. This feature optimizes audio playback by analyzing your space and adjusting settings to deliver improved clarity and detail, ensuring you get the best possible sound regardless of room layout.
You’ll find the Clear Voice mode particularly useful when watching TV shows, as it greatly improves dialogue clarity to keep conversations crisp and intelligible. As you can make bass and treble adjustments to match your preferences, you won’t find a graphic EQ for more detailed sound customization.
The soundbar offers versatile sound presets including AI Sound Pro, Music, and Cinema modes, letting you quickly optimize audio for different content types.
With Dolby Atmos and DTS:X support, you’ll experience immersive audio that brings your entertainment to life, though the effectiveness depends on your room acoustics and speaker configuration. These technologies function alongside the soundbar’s smart features to create an engaging listening experience that adapts to both your space and content preferences.
Physical Design Elements
Stretching across 47.2 inches, the LG S90QY soundbar combines sleek aesthetics with practical functionality. With a height of just 2.4 inches and depth of 5.3 inches, you’ll need to carefully consider your TV unit’s clearance before installation.
The soundbar’s durable construction features a modern plastic build wrapped in a fabric cover that improves its visual appeal as well as protecting internal components.
The accompanying subwoofer maintains a relatively compact footprint at 8.0 inches wide, though its substantial height of 15.9 inches and depth of 15.8 inches make it comparable to a desktop computer. You’ll want to plan your room layout accordingly to accommodate both pieces effectively.
The LG S90QY’s design prioritizes versatility in placement options, offering both traditional setup and wall mountability to suit your preferences.
You’ll find everything needed for installation right in the box. The included accessories feature power cables, an HDMI cable, a remote control, and mounting brackets for wall placement.
This all-inclusive package guarantees you can position the soundbar at various heights without requiring additional hardware purchases.
Samsung Q990B Delivers More
In regards to surround sound capabilities, the Samsung Q990B pulls ahead of the LG S90QY with its strong 11.1.4 channel configuration.
You’ll notice a significant difference in immersive audio quality, as the Q990B’s dedicated rear channels and upward-firing speakers create a more all-encompassing soundstage than the S90QY’s 5.1.3 setup.
The Q990B’s advanced sound localization system delivers precise audio positioning that the LG model can’t match.
When you’re looking for integration with your existing setup, the Q990B offers Q-Symphony, which works effortlessly with compatible Samsung TVs to improve your overall sound experience.
The discrete satellite speakers provide accurate sound positioning, giving you a true surround sound experience that surpasses the LG S90QY’s capabilities.
You’ll additionally appreciate the Q990B’s broad connectivity options and voice assistant features, making it a more versatile choice for your home entertainment system.
These advanced features, combined with superior audio performance, make the Q990B a more detailed solution if you’re seeking the most immersive home theater experience.
Final Thoughts

Although the LG S90QY can’t match the Samsung Q990B‘s advanced surround capabilities, it stands as a compelling option for buyers seeking quality sound at a more accessible price point. At $679.99, you’re getting impressive features including Dolby Atmos support and a 5.1.3 channel configuration that delivers immersive audio for both movies and gaming experiences.
The soundbar’s strong user rating of 4.5/5 from 585 reviews reflects its reliable sound performance and value proposition. You’ll appreciate the straightforward setup process and the convenience of the wireless subwoofer, which allows for flexible placement in your entertainment space.
Even though it doesn’t include rear speakers like some premium competitors, the S90QY’s audio quality and surround sound features create an engaging listening experience that’ll elevate your home theater setup.
Despite minor connectivity concerns reported by some users, the expert score of 90/100 confirms this soundbar’s solid overall performance. If you’re looking for a well-rounded soundbar that delivers quality audio without breaking the bank, the LG S90QY offers an attractive balance of features, performance, and value.
- With an impressive home theater setup, envelop yourself in a stunning surround sound experience with 5.1.3 channels and hear every line of dialogue clearly with an up-firing center channel. Connectivity Technology : Bluetooth 5.0, Soundbar Power Consumption : Subwoofer Power
- Dolby Atmos* and DTS:X** bring multidimensional sound to your room—including up-firing height channels to deliver powerful, moving audio that flows all around you, even overhead
- Unleash the power of IMAX content at home with IMAX Enhanced. Stereo (2-channel) content is upmixed to immersive, multichannel audio with Meridian Horizon's adaptive upmixing technology
- Choose your go-to voice assistant like Google Assistant or Alexa, and control your favorite features like Chromecast, AirPlay 2, and more***
- Sound bar, wireless subwoofer, remote control with batteries, wall mount brackets, and HDMI cable are included. Smartphone Remote App (iOS/Android) iOS/Android OS
Frequently Asked Questions
What are the test results for the LG S90QY Soundbar?
The test results for the LG S90QY soundbar indicate outstanding performance, particularly in Dolby Atmos and surround sound capabilities. It effectively delivers immersive audio experiences with clear dialogue and impactful bass.
How does the LG S90QY soundbar perform with the SPQ8-S speaker kit?
When paired with the SPQ8-S speaker kit, the LG S90QY soundbar enhances its surround performance, providing a more immersive listening experience. The additional rear speakers significantly contribute to the overall sound quality and depth.
Is the LG S90QY soundbar better than the LG S75QR?
Yes, the LG S90QY is generally considered better than the LG S75QR due to its advanced features, including Dolby Atmos support and improved frequency response, which results in a richer sound experience.
Can the LG S90QY soundbar connect to LG TVs?
Yes, the LG S90QY soundbar is designed to work seamlessly with LG TVs, especially with features like TV Sound Mode Share, which allows for enhanced audio synchronization and performance.
What sound modes are available on the LG S90QY soundbar?
The LG S90QY soundbar offers various sound modes, including standard, cinema, and music modes, allowing users to tailor the audio experience according to their preferences and content type.
How does the LG S90QY soundbar compare to the Sonos Arc?
While the Sonos Arc is known for its premium build and sound quality, the LG S90QY soundbar offers competitive performance, especially with its Dolby Atmos capabilities and additional up-firing center channel, making it a strong alternative.
What features enhance the surround channels in the LG S90QY soundbar?
The LG S90QY soundbar includes features like Dolby Digital and advanced sound effects that enhance the surround channels, providing a dynamic audio experience that immerses the listener in the content.
Can I use the LG S90QY soundbar with Spotify Connect?
Yes, the LG S90QY soundbar supports Spotify Connect, allowing users to stream music directly from their devices to the soundbar for a seamless listening experience.
What additional components can improve the LG S90QY’s bass performance?
To improve the bass performance of the LG S90QY soundbar, users can incorporate an external bass module. This addition enhances low-frequency sounds, resulting in a more powerful audio experience.
What is the frequency response of the LG S90QY soundbar?
The frequency response of the LG S90QY soundbar is designed to cover a wide range, delivering clear highs and deep lows, which makes it suitable for various types of audio content, from music to movies.