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LG SC9 Review | 109 Data compared

Avg. price: ~£280
N. of audio channels: 3.1.3
Audio output power: 400 W
HDMI ARC type: eARC

LG SC9 review. Compare 109 technical specifications and user reviews to see how this product ranks in the Soundbars category and whether it is worth buying.

8.8

Excellent

8.9

Excellent

8.3

Excellent

9.1
Movies
Score components:
25.0%
10
Dolby Atmos
25.0%
7.8
N. of audio channels
20.0%
10
Subwoofer included
15.0%
?
Audio output power
15.0%
10
HDMI ARC type
9.3
Gaming
Score components:
35.0%
10
HDMI pass-through frame rate
30.0%
10
HDMI ARC type
20.0%
7.8
N. of audio channels
15.0%
?
Audio output power
6.6
Music
Score components:
20.0%
?
Audio output power
20.0%
10
Subwoofer included
20.0%
4.0
Equalizer bands
15.0%
1.0
N. of supported Bluetooth codecs
15.0%
?
Wi-Fi connectivity
5.0%
?
Spotify Connect
5.0%
?
Bluetooth connectivity

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Verdict

The LG SC9S is a 400W 3.1.3 channel soundbar system featuring the world’s first triple up-firing channels, including a dedicated up-firing center driver designed to enhance dialogue clarity and overhead spatial effects. It supports premium audio formats like Dolby Atmos, DTS:X, and IMAX Enhanced, and offers high-resolution audio up to 24-bit/96kHz. A major pro is its 'Synergy' design, which includes a dedicated bracket for seamless mounting with LG C2 and C3 OLED TVs, along with 'WOW Orchestra' technology that allows the soundbar to work in harmony with a TV's internal speakers. Performance highlights include a powerful 220W wireless subwoofer and advanced AI Room Calibration for optimized acoustics. However, potential cons include the lack of dedicated side-firing drivers for a wider surround stage and a limited LED interface that can be difficult to interpret without the companion app.

Technical Specifications of soundbar LG SC9

Overall score

8.8

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Popularity

What it is: An indicator based on the number of reviews received by the soundbar.

When it matters: When you prefer to choose a soundbar reviewed and selected by many other buyers.

Audio

9.1

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Brand name

What it is: The manufacturer or brand under which the soundbar is marketed and sold.

When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: LOW

LG

N. of audio channels

What it is: Shows how many separate audio channels the system is built to reproduce, such as left, center, surround, height, and subwoofer channels.

When it matters: When you are deciding between a simpler bar and a setup built for wider surround placement, clearer center dialogue, or more immersive height effects.

Importance: HIGH

Good value: >=5.1

Audio output power

What it is: Total continuous or peak audio output power, measured in watts.

When it matters: When you need enough headroom to fill a larger room or listen at higher volume without the system feeling strained.

Importance: LOW

Good value: >100 W

Max SPL

What it is: Maximum sound pressure level output, measured in dB SPL.

When it matters: When you use the soundbar in a large room, listen at high volume, or want it to stay convincing during action-heavy movies and parties.

Importance: LOW

Good value: >90 dB SPL

Min frequency

What it is: Lowest reproducible audio frequency, measured in hertz.

When it matters: When deep bass extension matters and you want to know how low the system is supposed to reach.

Importance: LOW

Good value: <50 Hz

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Formats

8.8

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Dolby Atmos

What it is: Means the soundbar can play Dolby Atmos soundtracks, which add height information on top of normal surround channels for a more three-dimensional presentation.

When it matters: When you watch a lot of movies or shows with Atmos tracks and want a more enveloping sense of space than standard surround usually provides.

Importance: MEDIUM

DTS:X

What it is: Can handle DTS:X object-based surround audio from compatible sources.

When it matters: When your library includes DTS:X content and you want the soundbar to reproduce its surround effects properly.

Importance: MEDIUM

Dolby TrueHD

What it is: Can decode Dolby TrueHD, a lossless surround format often used on Blu-ray and higher-end local media setups.

When it matters: When you play disc-based or local media and want lossless Dolby audio support.

Importance: MEDIUM

DTS-HD Master Audio

What it is: Can decode DTS-HD Master Audio, a lossless DTS format used on many Blu-ray releases.

When it matters: When your movie library includes discs or files with higher-quality DTS soundtracks.

Importance: MEDIUM

Dolby Digital Plus

What it is: Can decode Dolby Digital Plus, a higher-efficiency surround format used widely by streaming services.

When it matters: When you stream movies and shows from modern apps that commonly deliver audio in Dolby Digital Plus.

Importance: LOW

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Connectivity

8.6

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N. of HDMI inputs

What it is: Number of HDMI input ports available.

When it matters: When several consoles, streamers, or players may need to plug into the soundbar directly.

Importance: MEDIUM

Good value: >=1

Wi-Fi connectivity

What it is: Can join a wireless network for streaming, app control, updates, and smart-platform features.

When it matters: When you want better streaming stability, direct app playback, or smart features beyond Bluetooth alone.

Importance: MEDIUM

Wi-Fi version

What it is: Supported Wi-Fi version or standard (e.g., Wi-Fi 5, 6, 6E).

When it matters: When your network setup uses newer Wi-Fi standards and you want better compatibility or wireless stability.

Importance: LOW

Good value: Wi-Fi 5/6

Bluetooth connectivity

What it is: Can receive audio wirelessly over Bluetooth from phones, tablets, computers, and other compatible sources.

When it matters: When you want fast casual streaming from nearby devices without relying on Wi-Fi setup.

Importance: MEDIUM

Bluetooth version

What it is: Supported Bluetooth specification version.

When it matters: When you care about newer Bluetooth efficiency, compatibility, and connection behavior with modern source devices.

Importance: LOW

Good value: >=5.0

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Controls

9.9

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Smartphone app

What it is: Can be configured or controlled through a dedicated mobile app.

When it matters: When you prefer changing inputs, updates, sound modes, or calibration settings from your phone.

Importance: MEDIUM

Remote control

What it is: Comes with or supports a physical handheld remote for everyday operation.

When it matters: When you want quick volume, input, and sound-mode control without opening an app.

Importance: LOW

Control panel

What it is: Design and layout of the onboard control panel.

When it matters: When you want easier everyday control.

Importance: LOW

Voice assistant compatibility

What it is: Works with one or more voice-assistant platforms such as Alexa, Google Assistant, or Siri workflows.

When it matters: When voice control is part of how you start playback, change volume, or integrate the bar into smart-home routines.

Importance: LOW

Far-field microphones

What it is: Built-in far-field microphones for voice assistant use.

When it matters: When you want hands-free control or built-in voice features.

Importance: LOW

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HDMI & Gaming

9.6

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HDMI version

What it is: Version of the HDMI standard supported for input/output.

When it matters: When you need the HDMI link to handle newer video, gaming, or audio-return features in your setup.

Importance: LOW

Good value: 2.1

HDMI ARC type

What it is: Shows whether the soundbar uses ARC or eARC for TV audio over HDMI. ARC covers basic return audio, while eARC supports higher-bandwidth formats such as lossless Dolby Atmos and generally gives you more headroom for advanced TV-to-soundbar audio.

When it matters: When the TV will send sound back to the soundbar over HDMI and you care about getting the best audio formats your TV and streaming devices can pass through.

Importance: MEDIUM

Good value: eARC

HDMI-CEC support

What it is: Lets compatible devices share basic commands like power, volume, and input switching over HDMI.

When it matters: When you want simpler everyday use, such as controlling volume with the TV remote and having the soundbar turn on with the TV.

Importance: LOW

HDMI pass-through resolution

What it is: Maximum video resolution supported through HDMI pass-through.

When it matters: When you connect external players or consoles through the soundbar.

Importance: LOW

HDMI pass-through frame rate

What it is: Maximum frame rate supported for HDMI pass-through.

When it matters: When you connect gaming devices through the soundbar.

Importance: LOW

Good value: >=120 fps

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Smart features

8.5

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AirPlay

What it is: Supports Apple AirPlay or AirPlay 2 for network-based streaming from Apple devices and apps.

When it matters: When your home setup is built around Apple devices and you want smooth wireless playback across that ecosystem.

Importance: LOW

Chromecast built-in

What it is: Includes Chromecast so audio can be cast directly from compatible apps over Wi-Fi.

When it matters: When you want quick app-based casting from Android, Chrome, or supported streaming services without Bluetooth pairing.

Importance: LOW

Spotify Connect

What it is: Can receive Spotify streams directly over the network without routing playback through your phone over Bluetooth.

When it matters: When you use Spotify often and want your phone free for calls, battery, or other apps while music keeps playing.

Importance: LOW

TIDAL Connect

What it is: Can receive TIDAL streams directly over the network without using Bluetooth from the phone as the audio path.

When it matters: When you use TIDAL regularly and want direct streaming with less dependence on your phone staying involved.

Importance: LOW

Amazon Music native support

What it is: Native integration with Amazon Music service.

When it matters: When you stream music directly from apps and ecosystems you already use.

Importance: LOW

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Design

5.8

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Width

What it is: Overall width of the soundbar.

When it matters: When you want the bar to match the TV size better or fit a narrow cabinet cleanly.

Importance: LOW

Height

What it is: Overall height of the soundbar.

When it matters: When clearance under the TV is limited and you do not want the bar covering the lower edge of the picture.

Importance: LOW

Good value: <70 mm

Thickness

What it is: The front-to-back depth of the soundbar body.

When it matters: When you need the soundbar to fit neatly on furniture, under the TV, or close to the wall without sticking out too much.

Importance: LOW

Good value: <90 mm

Weight

What it is: Total weight of the soundbar unit.

When it matters: When wall mounting, shelf strength, or how easy the bar is to move and position matters.

Importance: LOW

Build material

What it is: Material used for cabinet or body construction.

When it matters: When finish quality, cabinet feel, and how premium the bar looks in the room matter to you.

Importance: LOW

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LG SC9 vs the average soundbar

Why is LG SC9 better than the average soundbar?

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More audio channels
LG SC9 has more audio channels than the average soundbar (3.1.3 vs 2.0). The average soundbar has 2.0 audio channels.
What it is: Shows how many separate audio channels the system is built to reproduce, such as left, center, surround, height, and subwoofer channels.
When it matters: When you are deciding between a simpler bar and a setup built for wider surround placement, clearer center dialogue, or more immersive height effects.
Importance: HIGH
Good value: >=5.1
LG SC9 has more audio channels than the average soundbar (3.1.3 vs 2.0). The average soundbar has 2.0 audio channels.3.1.3 vs 2.0
1 more HDMI inputs
LG SC9 has more HDMI inputs than the average soundbar (1 vs 0). The average soundbar has 0 HDMI inputs.
What it is: Number of HDMI input ports available.
When it matters: When several consoles, streamers, or players may need to plug into the soundbar directly.
Importance: MEDIUM
Good value: >=1
LG SC9 has more HDMI inputs than the average soundbar (1 vs 0). The average soundbar has 0 HDMI inputs.1 vs 0
Supports Dolby Atmos
LG SC9 supports Dolby Atmos, the average soundbar does not.
What it is: Means the soundbar can play Dolby Atmos soundtracks, which add height information on top of normal surround channels for a more three-dimensional presentation.
When it matters: When you watch a lot of movies or shows with Atmos tracks and want a more enveloping sense of space than standard surround usually provides.
Importance: MEDIUM
LG SC9 supports Dolby Atmos, the average soundbar does not.
3 inch larger subwoofer driver size
LG SC9 has a higher subwoofer driver size than the average soundbar (7 inch vs 4 inch). The average soundbar uses a subwoofer driver size of 4 inch.
What it is: Diameter or dimension of subwoofer driver.
When it matters: When you want a rough hardware clue about how much bass presence the bundled subwoofer may be designed to deliver.
Importance: HIGH
Good value: >=5 inch
LG SC9 has a higher subwoofer driver size than the average soundbar (7 inch vs 4 inch). The average soundbar uses a subwoofer driver size of 4 inch.7 inch vs 4 inch
Dedicated center channel
LG SC9 has center channel driver, the average soundbar does not.
What it is: Uses a dedicated center-channel driver intended to anchor dialogue and center-screen effects more clearly.
When it matters: When dialogue clarity is important and you want voices locked more firmly to the center of the screen.
Importance: MEDIUM
LG SC9 has center channel driver, the average soundbar does not.
Supports DTS:X
LG SC9 supports DTS:X, the average soundbar does not.
What it is: Can handle DTS:X object-based surround audio from compatible sources.
When it matters: When your library includes DTS:X content and you want the soundbar to reproduce its surround effects properly.
Importance: MEDIUM
LG SC9 supports DTS:X, the average soundbar does not.
Supports DTS-HD Master Audio
LG SC9 supports DTS-HD Master Audio, the average soundbar does not.
What it is: Can decode DTS-HD Master Audio, a lossless DTS format used on many Blu-ray releases.
When it matters: When your movie library includes discs or files with higher-quality DTS soundtracks.
Importance: MEDIUM
LG SC9 supports DTS-HD Master Audio, the average soundbar does not.
Subwoofer included
LG SC9 has subwoofer included, the average soundbar does not.
What it is: Means the soundbar comes with a separate subwoofer for deeper bass instead of relying only on the bar's built-in drivers.
When it matters: When you want movies, music, and games to have stronger low-end weight without having to add a subwoofer later.
Importance: MEDIUM
LG SC9 has subwoofer included, the average soundbar does not.
More audio channels
LG SC9 has more audio channels than the average soundbar (3.1.3 vs 2.0). The average soundbar has 2.0 audio channels.
3 inch larger subwoofer driver size
LG SC9 has a higher subwoofer driver size than the average soundbar (7 inch vs 4 inch). The average soundbar uses a subwoofer driver size of 4 inch.
Dedicated center channel
LG SC9 has center channel driver, the average soundbar does not.
Subwoofer included
LG SC9 has subwoofer included, the average soundbar does not.
5 more drivers
LG SC9 has more drivers than the average soundbar (9 vs 4). The average soundbar has 4 drivers.
Supports upfiring speakers
LG SC9 supports upfiring speakers, the average soundbar does not.
5.71x more audio output power
LG SC9 has a higher audio output power than the average soundbar (400 W vs 70 W). The average soundbar delivers 70 W of audio output power.
Supports wireless rear speakers
LG SC9 is compatible with wireless rear speakers, the average soundbar is not.
5 more sound modes
LG SC9 offers more sound modes than the average soundbar (9 vs 4). The average soundbar offers 4 sound modes.
Bass boost
LG SC9 supports bass boost, the average soundbar does not.
18.8 Hz lower min frequency
LG SC9 has a lower minimum frequency than the average soundbar (33.2 Hz vs 52 Hz). The average soundbar has a minimum frequency of 52 Hz.
1 more equalizer bands
LG SC9 offers more equalizer bands than the average soundbar (3 vs 2). The average soundbar offers 2 equalizer bands.
Supports Dolby Atmos
LG SC9 supports Dolby Atmos, the average soundbar does not.
Supports DTS:X
LG SC9 supports DTS:X, the average soundbar does not.
Supports DTS-HD Master Audio
LG SC9 supports DTS-HD Master Audio, the average soundbar does not.
Supports Dolby TrueHD
LG SC9 supports Dolby TrueHD, the average soundbar does not.
Supports Dolby Digital Plus
LG SC9 supports Dolby Digital Plus, the average soundbar does not.
Supports IMAX Enhanced
LG SC9 supports IMAX Enhanced, the average soundbar does not.
Broader music format support
LG SC9 supports more music formats than the average soundbar (AAC, FLAC, MP3, MQA, OGG, WAV vs MP3).
4 more supported audio formats
LG SC9 supports more audio formats than the average soundbar (6 vs 2). The average soundbar supports 2 audio formats.
AAC support
LG SC9 supports AAC, the average soundbar does not.
1 more HDMI inputs
LG SC9 has more HDMI inputs than the average soundbar (1 vs 0). The average soundbar has 0 HDMI inputs.
Wi-Fi connectivity
LG SC9 supports Wi-Fi connectivity, the average soundbar does not.
Higher HDMI pass-through frame rate
LG SC9 has a higher HDMI pass-through frame rate than the average soundbar (120 fps vs none fps). The average soundbar supports an HDMI pass-through frame rate of none fps.
Supports ALLM
LG SC9 supports auto Low Latency Mode (ALLM), the average soundbar does not.
Supports HDR pass-through
LG SC9 supports hDR pass-through support, the average soundbar does not.
Supports VRR
LG SC9 supports variable Refresh Rate (VRR), the average soundbar does not.
Higher pass-through resolution
LG SC9 supports 4K for HDMI pass-through resolution, while the average soundbar supports none.
Newer HDCP version
LG SC9 uses 2.3 for HDCP version, while the average soundbar uses none.
Built-in Chromecast
LG SC9 supports Chromecast built-in, the average soundbar does not.
Supports AirPlay
LG SC9 supports AirPlay, the average soundbar does not.
Supports Spotify Connect
LG SC9 supports Spotify Connect, the average soundbar does not.
Multiroom ecosystem support
LG SC9 supports multiroom ecosystem support, the average soundbar does not.
Supports TIDAL Connect
LG SC9 supports tIDAL Connect, the average soundbar does not.
Automatic room calibration
LG SC9 supports automatic room calibration, the average soundbar does not.
Companion smartphone app
LG SC9 supports smartphone app, the average soundbar does not.
App EQ customization
LG SC9 supports eQ customization (app), the average soundbar does not.
Auto volume leveling
LG SC9 supports auto volume leveling, the average soundbar does not.
Supports voice assistants
LG SC9 supports voice assistant compatibility, the average soundbar does not.
Manual audio delay adjustment
LG SC9 supports manual audio delay adjustment, the average soundbar does not.
Night mode
LG SC9 supports night mode, the average soundbar does not.
2 more microphones
LG SC9 has more microphones than the average soundbar (2 vs 0). The average soundbar has 0 microphones.
Easier firmware updates
LG SC9 uses over-the-air, app-based for firmware update method, while the average soundbar uses app-based, USB.
Premium build material
LG SC9 uses plastic, aluminum for build materials, while the average soundbar uses plastic.
2 newer release
LG SC9 is newer than the average soundbar (2023 vs 2021). The average soundbar was released in 2021.
4 mm lower height
LG SC9 is shorter than the average soundbar (63 mm vs 67 mm). The average soundbar is 67 mm tall.

Why is LG SC9 worse than the average soundbar?

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Narrower bass adjustment range
LG SC9 has a lower bass adjustment range than the average soundbar (-5 to 5 dB vs -100 to 100 dB). The average soundbar offers a bass adjustment range of -100 to 100 dB.
100 Hz lower max frequency
LG SC9 has a lower maximum frequency than the average soundbar (19,900 Hz vs 20,000 Hz). The average soundbar has a maximum frequency of 20,000 Hz.
1.6 dB SPL lower max SPL
LG SC9 has a lower max SPL than the average soundbar (91.5 dB SPL vs 93.1 dB SPL). The average soundbar reaches 93.1 dB SPL max SPL.
No AUX input
LG SC9 does not have AUX input, the average soundbar does.
2 ms higher gaming latency
LG SC9 has a higher gaming mode latency than the average soundbar (64 ms vs 62 ms). The average soundbar has gaming mode latency of 62 ms.
Via HDMI input gaming path.
213 mm wider width
LG SC9 is wider than the average soundbar (975 mm vs 762 mm). The average soundbar is 762 mm wide.
2,100 g heavier weight
LG SC9 is heavier than the average soundbar (4,100 g vs 2000 g). The average soundbar weighs 2000 g.
39 mm thicker design
LG SC9 is thicker than the average soundbar (125 mm vs 86 mm). The average soundbar is 86 mm thick.
No AUX input
LG SC9 does not have AUX input, the average soundbar does.
What it is: Includes a 3.5 mm analog input for connecting older devices or simple wired audio sources.
When it matters: When a TV, projector, music player, or other source still relies on analog audio output.
Importance: LOW
LG SC9 does not have AUX input, the average soundbar does.
213 mm wider width
LG SC9 is wider than the average soundbar (975 mm vs 762 mm). The average soundbar is 762 mm wide.
What it is: Overall width of the soundbar.
When it matters: When you want the bar to match the TV size better or fit a narrow cabinet cleanly.
Importance: LOW
LG SC9 is wider than the average soundbar (975 mm vs 762 mm). The average soundbar is 762 mm wide.975 mm vs 762 mm
Narrower bass adjustment range
LG SC9 has a lower bass adjustment range than the average soundbar (-5 to 5 dB vs -100 to 100 dB). The average soundbar offers a bass adjustment range of -100 to 100 dB.
What it is: Range of bass adjustment in decibels.
When it matters: When you want to fine-tune how much low-end weight the system adds in your room.
Importance: LOW
LG SC9 has a lower bass adjustment range than the average soundbar (-5 to 5 dB vs -100 to 100 dB). The average soundbar offers a bass adjustment range of -100 to 100 dB.-5 to 5 dB vs -100 to 100 dB
2,100 g heavier weight
LG SC9 is heavier than the average soundbar (4,100 g vs 2000 g). The average soundbar weighs 2000 g.
What it is: Total weight of the soundbar unit.
When it matters: When wall mounting, shelf strength, or how easy the bar is to move and position matters.
Importance: LOW
LG SC9 is heavier than the average soundbar (4,100 g vs 2000 g). The average soundbar weighs 2000 g.4100 g vs 2000 g
39 mm thicker design
LG SC9 is thicker than the average soundbar (125 mm vs 86 mm). The average soundbar is 86 mm thick.
What it is: The front-to-back depth of the soundbar body.
When it matters: When you need the soundbar to fit neatly on furniture, under the TV, or close to the wall without sticking out too much.
Importance: LOW
Good value: <90 mm
LG SC9 is thicker than the average soundbar (125 mm vs 86 mm). The average soundbar is 86 mm thick.125 mm vs 86 mm
100 Hz lower max frequency
LG SC9 has a lower maximum frequency than the average soundbar (19,900 Hz vs 20,000 Hz). The average soundbar has a maximum frequency of 20,000 Hz.
What it is: Highest reproducible audio frequency, measured in hertz.
When it matters: When you care about how far the system extends into the upper treble for effects, detail, and sparkle.
Importance: LOW
Good value: >=20000 Hz
LG SC9 has a lower maximum frequency than the average soundbar (19,900 Hz vs 20,000 Hz). The average soundbar has a maximum frequency of 20,000 Hz.19900 Hz vs 20000 Hz
2.95x more expensive
LG SC9 is more expensive than the average soundbar (£280 vs £95).
LG SC9 is more expensive than the average soundbar (£280 vs £95).£280 vs £95
1.6 dB SPL lower max SPL
LG SC9 has a lower max SPL than the average soundbar (91.5 dB SPL vs 93.1 dB SPL). The average soundbar reaches 93.1 dB SPL max SPL.
What it is: Maximum sound pressure level output, measured in dB SPL.
When it matters: When you use the soundbar in a large room, listen at high volume, or want it to stay convincing during action-heavy movies and parties.
Importance: LOW
Good value: >90 dB SPL
LG SC9 has a lower max SPL than the average soundbar (91.5 dB SPL vs 93.1 dB SPL). The average soundbar reaches 93.1 dB SPL max SPL.91.5 dB SPL vs 93.1 dB SPL

Graphic comparison of LG SC9 and other soundbars

Attribute category

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Third-party reviews

United Kingdom

(Reviews last updated: May 2026)

What customers like about LG SC9?

Exceptional dialogue clarity due to the unique triple up-firing center channel
Seamless physical and software integration with LG C2 and C3 OLED TVs via the included 'WOW Bracket'
Powerful and deep bass response from the included wireless subwoofer
Extensive sound customization and calibration options through the LG Soundbar app
Support for high-end audio formats including Dolby Atmos, DTS:X, and IMAX Enhanced
Convenient 'WOW Orchestra' feature that synchronizes the soundbar with compatible LG TV speakers for a larger soundstage

What customers dislike about LG SC9?

Lack of native surround sound immersion; requires an additional purchase of rear speakers for a true 5.1 experience
Glaring lack of mid-range frequencies, which can make some content sound 'thin' or 'tinny'
Limited stereo soundstage width compared to competitors like the Sonos Arc
Annoying blinking LED indicator when the unit is muted
Some users report glitchy app connectivity and occasional audio lag when using WOW Orchestra
UI limitations such as the lack of a text-based volume indicator on the bar itself

Expert reviews

expertreviews.co.uk

25/08/2023

Summary of the review

LG USC9S review: The perfect partner for the LG C3? | Expert Reviews

The LG USC9S is a 3.1.3-channel soundbar designed specifically to pair with LG C2/C3 OLED TVs, featuring a unique "WOW bracket" for seamless integration. It boasts the world's first triple up-firing driver configuration for immersive Dolby Atmos and DTS:X, delivering a wide, tall soundstage with powerful bass from its wireless subwoofer. Key advantages include its specialized design, impressive height effects, and HDMI 2.1 passthrough (4K/120Hz) for gamers. However, the sound profile can feel sharp, lean, and occasionally sibilant, with disappointing music performance and a lack of midrange warmth. Operationally, the system relies on a frustrating "coded LED dot" system rather than a proper display. Additionally, the "WOW Orchestra" feature, intended to sync with LG TV speakers, often yields mixed, incoherent results. Expert Reviews

whathifi.com

09/06/2023

Summary of the review

LG SC9S review - What Hi-Fi?

The What Hi-Fi? review of the LG SC9S highlights it as a feature-packed 3.1.3-channel soundbar designed for exceptional, "near-magical" synergy with LG C-series OLED TVs, featuring a dedicated bracket and WOW Orchestra technology. While it supports Dolby Atmos, DTS:X, and offers effective vertical height, the audio performance is criticized for lacking emotional engagement, detail, and subtlety. Pros include unique physical integration, robust gaming features (VRR, ALLM), and immersive height effects, while cons center on a "weedy" midrange-to-subwoofer gap, an inexpressive sound profile, and a frustrating LED-based interface. Ultimately, the review concludes that despite its technological prowess and ecosystem integration, the SC9S is outclassed in pure, nuanced audio performance by similarly priced rivals. What Hi-Fi?

rtings.com

09/05/2023

Summary of the review

LG SC9S Soundbar Review - RTINGS.com

The LG SC9S is a 3.1.3 channel soundbar from 2023, featuring unique up-firing drivers for enhanced dialogue clarity and a well-balanced sound profile with deep, punchy bass. Its standout pros include a specialized Synergy Bracket for direct mounting on LG OLED C2/C3 TVs, alongside robust,, AI-driven room calibration. Technically advanced, the SC9S supports Dolby Atmos and DTS:X, plus HDMI 2.1 passthrough (4K@120Hz, VRR, ALLM) and extensive wireless options like Chromecast and AirPlay 2, making it a capable gaming and home theater hub. However, a key limitation is the lack of included physical rear speakers, resulting in limited immersive surround performance compared to dedicated satellite systems. Other cons include a somewhat thin midrange and an LED-only display interface.

senses.se

27/01/2024

Summary of the review

Review: LG SC9S soundbar - Senses Would you like to see a comparison of how this model ranks against other 3.1.3 channel soundbars?

The LG SC9S, a 3.1.3-channel soundbar designed for C-series OLED TVs, features triple up-firing drivers for enhanced vocal clarity and includes a specialized bracket for seamless TV mounting. It supports Dolby Atmos, DTS:X, and offers HDMI 2.1 passthrough (4K/120Hz, VRR) for gamers, delivering robust, low-frequency audio via its wireless subwoofer. Despite the strong audio performance, the unit lacks native rear surround sound and uses a limited LED indicator system rather than a display, notes the review on Senses.se.

avforums.com

03/11/2023

Summary of the review

LG USC9S Soundbar Review - AVForums

The LG USC9S is a 3.1.3-channel system designed as a "perfect partner" for LG’s C2 and C3 OLED TVs, featuring a unique Synergy Bracket for direct mounting. It boasts three up-firing channels, including a center driver for improved dialogue immersion, along with WOW Orchestra for synchronized sound. Pros include exceptional synergy with LG TVs, robust 4K/120Hz passthrough, and a powerful, punchy sound output from the wireless subwoofer. However, significant cons noted in the review include the lack of a proper LED display, making user adjustments confusing, and occasional shrill or clinical high-frequency performance. Additionally, its overall subtlety and fine detail are deemed less refined compared to rivals like the Sonos Arc.

reviewed.com

13/09/2023

Summary of the review

LG SC9S Atmos Soundbar Review

The LG SC9S is a 3.1.3-channel soundbar designed for seamless integration with LG C-series OLED TVs, featuring a dedicated center height channel for improved Dolby Atmos dialogue and a powerful wireless subwoofer. Key strengths include the unique "Synergy Bracket" mount, "WOW Orchestra" TV/bar audio synchronization, and comprehensive gaming support like HDMI 2.1 4K/120Hz passthrough. However, the unit lacks side-firing drivers for wide horizontal immersion and requires an additional $200 rear speaker kit for true surround sound. The sound profile is also noted as thinner and lighter compared to top-tier competitors, with a less robust midrange, making it best suited for LG TV owners prioritizing specialized ecosystem features.

whathifi.com

09/06/2023

Summary of the review

LG USC9S review - What Hi-Fi?

The LG USC9S soundbar, reviewed by What Hi-Fi?, is a specialized, aesthetically focused unit designed with a unique "Synergy" bracket for seamless mounting on LG C2/C3 OLED TVs. While boasting advanced technical specifications like three up-firing drivers, Dolby Atmos, and IMAX Enhanced support, the soundbar ultimately underperforms in key areas. What Hi-Fi? Key cons include a tonal disconnect between the weak main bar and overpowering subwoofer, along with a lack of fine detail and midrange warmth. The absence of an LED display makes it difficult to use, with a confusing, color-coded LED system for status updates. What Hi-Fi? The review concludes that while the "WOW Orchestra" feature creates good integration with LG TVs, the system fails to match rivals like the Sonos Arc in musicality and immersive sound. It is recommended only for those prioritizing aesthetic integration over top-tier performance. What Hi-Fi?

wired.com

22/11/2023

Summary of the review

Review: LG SC9S Soundbar - WIRED

The LG SC9S is a 3.1.3-channel soundbar featuring a unique up-firing center driver designed to enhance dialogue and Dolby Atmos effects, alongside a specialized bracket for seamless integration with LG C-series OLED TVs. It boasts a competitive feature set including a wireless subwoofer and HDMI 2.1 passthrough with gaming support (VRR/ALLM), offering significant value for users within the LG ecosystem. However, the review notes the sound signature is "thinner" than competitors, lacking the "midrange muscle" found in rivals like the Sonos Arc. Furthermore, the absence of side-firing drivers results in a less immersive, more localized soundstage compared to alternatives. WIREDDespite these drawbacks, the SC9S is recommended for its strong overhead effects and ease of setup, particularly for action-heavy content. It is considered a solid, feature-driven choice for dedicated LG users, though not for those seeking the most balanced musical performance. WIRED

t3.com

20/07/2023

Summary of the review

LG USC9S review: a soundbar perfectly designed for the LG OLED C3

The T3 review of the LG USC9S highlights a soundbar purpose-built for LG C-series OLED TVs, featuring a unique triple up-firing driver system and a custom bracket for seamless integration. Key pros include robust Dolby Atmos/DTS:X performance, IMAX Enhanced support, and excellent vocal clarity for, though it is considered a niche product. Conversely, the review notes significant cons, describing the AI Sound Pro mode as harsh and overall music performance as underwhelming compared to competitors. While it offers useful features like HDMI 2.1 passthrough, some, such as VRR, are limited. Ultimately, T3 concludes it is an excellent 4-star option for compatible LG TV owners, particularly with features like WOW Orchestra, but less compelling for others.

av-magazin.de

01/05/2023

Summary of the review

LG OLED65C37LA and DSC9S Review – Straight to the Test Results

The LG OLED65C37LA and DSC9S soundbar constitute a highly integrated, premium home cinema solution featuring exceptional picture quality via the α9alpha 9𝛼9 Gen6 AI processor, which provides perfect black levels and 4K/120Hz support on four HDMI 2.1 ports. The system includes webOS 23 and a specialized Game Optimizer, making it suitable for both cinematic viewing and high-performance gaming. The 3.1.3 channel DSC9S soundbar, featuring unique up-firing drivers, utilizes the "WOW Orchestra" feature to synchronize with the TV for an improved soundstage, while the dedicated "WOW bracket" allows for seamless physical mounting. Despite these advantages, initial setup of the Magic Remote required a manual reset in the test. Furthermore, the soundbar lacks the extensive, broader audio format support found in higher-end standalone models. Overall, the combination is rated as an "excellent" duo, delivering top-tier visual performance and effortless integration.

ericzaccaron.com

01/08/2023

Summary of the review

LG SC9S Review: A compelling soundbar for Dolby Atmos

Eric Zaccaron’s review highlights the LG SC9S as a powerful 3.1.3 channel Dolby Atmos soundbar, featuring unique triple up-firing drivers, including an industry-first center speaker to elevate vocals and vertical audio. Pros include deep, punchy bass from the 220W wireless subwoofer, the "Synergy Bracket" designed for precise mounting on LG C2/C3 TVs, and advanced gaming features like 4K/120Hz pass-through. Cons noted include a narrow soundstage due to lacking side-firing drivers, a somewhat thin midrange that can make vocal reproduction feel detached, and a minimal LED interface.

cnetfrance.fr

05/07/2023

Summary of the review

LG SC9S Review: A compact and compelling soundbar for Dolby Atmos

The LG SC9S is a 3.1.3 channel soundbar featuring a unique triple up-firing driver configuration, specifically designed for optimal integration with LG C-series OLED TVs. Its standout feature is the "Synergy Bracket," allowing seamless mounting with 55 to 77-inch LG C2/C3 models. Performance highlights include clear vocals, strong bass, AI Room Calibration, and support for 4K 120Hz/VRR passthrough, making it excellent for gaming. However, the lack of side-firing drivers results in a narrower soundstage compared to competitors, limiting its immersive capabilities. Some users may find the audio signature thin or sharp in the mid-range. Additionally, the included mounting bracket is bulky and only relevant for specific LG TV owners.

son-video.com

04/01/2025

Summary of the review

LG SC9S Overview and Technical Specifications

The LG SC9S is a 3.1.3-channel soundbar designed for seamless integration with LG OLED C2/C3 TVs, featuring a specialized "Synergy Bracket" for direct mounting and "WOW Orchestra" software to synchronize sound with the TV. Audio performance is characterized by clear dialogue from a unique up-firing center driver and effective 4K/120Hz passthrough, supporting Dolby Atmos and DTS:X. However, the system lacks physical rear speakers for true surround immersion, and the three-LED interface is considered unintuitive.

maisonadam.ca

03/08/2023

Summary of the review

LG SC9S Soundbar with Subwoofer | Expert Review - Maison Adam

The Maison Adam review describes the LG SC9S as a 3.1.3 channel soundbar specifically engineered to complement LG's C-series OLED TVs, featuring a unique "triple up-firing" speaker configuration for enhanced Dolby Atmos/DTS:X verticality. Key advantages include its seamless integration with C2/C3 models via a specialized bracket, solid performance in small-to-medium rooms with deep, rhythmic bass, and robust gaming support like HDMI 2.1 VRR/ALLM. However, the expert test notes limitations such as a lack of physical rear speakers for full surround immersion and an unintuitive on-bar LED interface that necessitates using the LG Soundbar app.

lesnumeriques.com

12/01/2024

Summary of the review

LG SC9S Review: An immersive soundbar, but lacking musicality

The LG SC9S is a 3.1.3-channel soundbar specifically designed to complement LG OLED C2/C3 TVs, featuring a unique triple up-firing configuration for improved Dolby Atmos and DTS:X height effects. Its strengths include the LG OLED Synergy Bracket for direct mounting, WOW Orchestra technology for synchronized audio with the TV, and AI Room Calibration Pro, offering a wide, detailed soundstage ideal for gaming with 4K/120Hz support. Conversely, the review identifies weak midranges, a lack of physical controls—relying on a three-LED interface—and moderate effectiveness in surround virtualization as notable drawbacks. What Hi-Fi?

leclaireur.fnac.com

19/06/2024

Summary of the review

LG SC9S Lab Test: An Excellent Result

The LG SC9S is a specialized 3.1.3 channel soundbar tailored for LG C-series OLED TVs, featuring a 400W output and a triple up-firing driver array for Dolby Atmos/DTS:X. A key feature is the "WOW Synergy" bracket, which mounts the soundbar directly to compatible LG TV stands for a cohesive design. Performance highlights include exceptional vocal clarity driven by the unique up-firing center channel, producing a clear, elevated dialogue. Key pros identified in the lab testing include a high 103 dB peak power, 4K 120Hz pass-through for gaming, and AI Room Calibration. Conversely, the 3.1.3 setup produces a somewhat narrow, front-heavy soundstage, making the optional rear speaker kit necessary for true surround immersion. Additional limitations include a limited on-unit LED display, necessitating the use of the mobile app or TV interface for detailed adjustments. For the full test analysis, visit Leclaireur Fnac.

frandroid.com

11/04/2023

Summary of the review

LG SC9S Review: Our Full Verdict - Soundbars - Frandroid

The LG SC9S is a 3.1.3 channel soundbar designed for seamless integration with LG OLED TVs via a dedicated "WOW bracket," featuring a unique center up-firing driver for improved dialogue clarity. While delivering impressive, wide-ranging Dolby Atmos and DTS:X immersion, the system benefits from WOW Orchestra technology, which combines TV speakers with the soundbar. Performance highlights include a punchy, clear soundstage ideal for cinema, though the wireless subwoofer lacks the deep, visceral bass of higher-end alternatives. The bar struggles slightly with musicality at high volumes, and the "Triple Level Spatial Sound" can occasionally introduce unnatural audio artifacts. Technically robust, the SC9S supports HDMI 2.1 features like 4K/120Hz pass-through and VRR, making it excellent for gaming, alongside streaming capabilities like AirPlay 2 and Chromecast. However, it lacks included rear speakers and features a challenging remote, making it best suited for LG OLED owners seeking aesthetic and functional integration.

dday.it

17/07/2023

Summary of the review

LG SC9S review: An ambitious soundbar taking on the industry giants

The DDay.it review highlights the LG SC9S as a premium 3.1.3 channel system designed specifically for LG C-series OLED TVs, featuring a unique triple up-firing driver configuration for enhanced Dolby Atmos/DTS:X performance. Pros include seamless integration via the Synergy Bracket, punchy bass, clear dialogue, and HDMI 2.1 support for advanced gaming. However, the review notes a narrow soundstage due to lacking side-firing drivers, a somewhat cold midrange, and a non-intuitive interface relying on a minimal LED display.

tech.everyeye.it

10/08/2023

Summary of the review

LG SC9S Review: The Soundbar Designed for OLED C2 and C3

The LG SC9S is a 3.1.3 channel soundbar specifically engineered to integrate with LG’s C2 and C3 OLED TVs through a unique "Synergy" bracket, offering a seamless aesthetic with a specialized metal mount. A primary hardware innovation is the world's first triple up-firing driver configuration, featuring a central channel designed to elevate dialogue for superior clarity in Dolby Atmos and DTS:X content. Pros include exceptional dialogue reproduction, "WOW Orchestra" functionality that pairs the bar with TV speakers, HDMI 2.1 pass-through supporting 4K/120Hz for gaming, and comprehensive wireless connectivity, according to reviews. Key cons include limited surround immersion without optional rear speakers, a somewhat thin musical performance in the midrange, and a difficult, fiddly physical installation process using the Synergy bracket.

review.nl

11/09/2023

Summary of the review

LG Soundbar DSC9S tested by real consumers - FWD Benelux

a little longerThinking a little longer The LG Soundbar DSC9S received a highly positive reception from reviewers on Review.nl, with testers praising its sleek, modern design, premium build quality, and exceptional, customizable sound, often awarding scores of 9 or 10 out of 10. Key pros identified include the user-friendly installation, seamless integration with TVs, and a versatile audio performance suitable for home cinemas. Despite the praise, the primary drawbacks noted are the soundbar's high price point, which may be prohibitive, and its large physical size, which requires significant space. Overall, the consensus suggests that while expensive, the product's performance and design justify the investment.

fwd.nl

05/08/2023

Summary of the review

LG SC9S Review: Soundbar with seamless LG TV integration

The LG SC9S is a 3.1.3-channel soundbar designed for LG C-series OLED TVs, featuring a unique triple up-firing center channel for enhanced dialogue and a dedicated "Synergy Bracket" for seamless physical integration. It excels in vocal clarity, features robust bass, and supports HDMI 2.1 passthrough for gaming. While offering excellent integration via WOW Orchestra, the soundbar lacks midrange warmth and suffers from limited surround immersion due to the absence of side-firing drivers, along with a distracting, persistent blinking light when muted.

expert.nl

15/09/2023

Summary of the review

LG DSC9S Review: The Perfect Partner for the LG OLED C3

The Expert.nl review highlights the LG DSC9S as a tailored audio solution for the LG OLED C3, featuring a unique Synergy Bracket for seamless mounting to the TV. It offers a 3.1.3 channel setup with an upward-firing center channel for enhanced dialogue clarity and supports LG WOW Orchestra for synchronized TV/soundbar audio. While the soundbar delivers powerful bass, it lacks physical rear speakers in the box for true surround, and some users note a potentially thin midrange.

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