Sonos Arc vs LG S90QY

Which Soundbar Is Better?

Products

Sonos Arc
LG S90QY

Tested using Methodology v1.3

Updated Nov 28, 2024 02:21 PM

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BestBuy.com

Tested using Methodology v1.2

Updated Aug 12, 2024 12:43 PM

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Amazon.com

Our Verdict

Sonos Arc

LG S90QY

The Sonos Arc is better than the LG S90QY. The Sonos is a 5.0.2 setup, so it's a standalone bar. Still, it has better soundstage, surround, and Atmos performances. It can't reproduce as much low-bass as the LG, which comes with a dedicated sub, but you can always add one if you want to improve bass reproduction. The LG comes with additional sound enhancement features like EQ presets, but the Sonos' out-of-the-box sound is impressive without any tweaks.

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Variants

  • Arc (Black)
  • Arc SL (Shadow Edition)
  • Arc (White)
  • S90QY (Black)

Check Price

Shadow Edition
Arc SL
Amazon.com
Black
S90QY
SEE PRICE
BestBuy.com
 
Black
S90QY
B&H
 
Black
S90QY
LG.com
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Main Differences for
Mixed Usage

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Full Comparison

Design

Style - Bar  

Style photo - bar  

Sonos Arc Style photo - bar Sample

SAMPLE

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LG S90QY Style photo - bar Sample

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Style - Subwoofer  

Style photo - sub  

Sonos Arc Style photo - sub Sample

SAMPLE

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LG S90QY Style photo - sub Sample

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Sub Wireless 
 

Locked
Locked

Enclosure 
 

Locked
Locked
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Style - Satellites  

Style photo - satellites  

Sonos Arc Style photo - satellites Sample

SAMPLE

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LG S90QY Style photo - satellites Sample

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Satellite Wireless 
 

Locked
Locked
Show Text 

Dimensions - Bar  

Dimensions photo - bar  

Sonos Arc Dimensions photo - bar Sample

SAMPLE

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LG S90QY Dimensions photo - bar Sample

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Width  

Lock" (Lock cm)
Lock" (Lock cm)

Height  

Lock" (Lock cm)
Lock" (Lock cm)

Depth  

Lock" (Lock cm)
Lock" (Lock cm)
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Dimensions - Subwoofer  

Dimensions photo - sub  

Sonos Arc Dimensions photo - sub Sample

SAMPLE

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LG S90QY Dimensions photo - sub Sample

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Width  

N/A
Lock" (Lock cm)

Height  

N/A
Lock" (Lock cm)

Depth  

N/A
Lock" (Lock cm)
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Dimensions - Satellites  

Dimensions photo - satellites  

Sonos Arc Dimensions photo - satellites Sample

SAMPLE

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LG S90QY Dimensions photo - satellites Sample

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Width  

N/A
N/A

Height  

N/A
N/A

Depth  

N/A
N/A

Mounting 
 

Bar Mounting Holes  

Sonos Arc Bar Mounting Holes Sample

SAMPLE

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LG S90QY Bar Mounting Holes Sample

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Satellite Mounting Holes  

Sonos Arc Satellite Mounting Holes Sample

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LG S90QY Satellite Mounting Holes Sample

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Mountable Bar 
 

Locked
Locked

Bar Brackets Included 
 

Locked
Locked

Mountable Satellites 
 

Locked
Locked

Satellite Brackets Included 
 

Locked
Locked
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Build Quality 
 

N/A
N/A

Build quality photo  

Sonos Arc Build quality photo Sample

SAMPLE

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LG S90QY Build quality photo Sample

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In The Box 
 

In The Box photo   

Sonos Arc In The Box photo  Sample

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LG S90QY In The Box photo  Sample

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Sound

Stereo Frequency Response 
 

N/A
N/A

Stereo Setup  

Sonos Arc Stereo Setup Sample

SAMPLE

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LG S90QY Stereo Setup Sample

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Raw Frequency Response  

Sonos Arc Raw Frequency Response Sample

SAMPLE

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LG S90QY Raw Frequency Response Sample

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Frequency Response Small  

Sonos Arc Frequency Response Small Sample

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LG S90QY Frequency Response Small Sample

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Channels 
 

Locked
Locked

Tested Preset 
 

Locked
Locked

Slope 
 

Lock
Lock

Standard Error 
 

Lock dB
Lock dB

Low-Frequency Extension 
 

Lock Hz
Lock Hz

High-Frequency Extension 
 

Lock kHz
Lock kHz
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Stereo Frequency Response With Preliminary Calibration 
 

N/A
N/A

Frequency Response Calibrated  

Sonos Arc Frequency Response Calibrated Sample

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LG S90QY Frequency Response Calibrated Sample

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Suggested Preset 
 

Locked
Locked

Suggested Bass Setting 
 

Lock
Lock

Suggested Treble Setting 
 

Lock
Lock

Slope 
 

Lock
Lock

Standard Error 
 

Lock dB
Lock dB

Low-Frequency Extension 
 

Lock Hz
Lock Hz

High-Frequency Extension 
 

Lock kHz
Lock kHz
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Stereo Soundstage 
 

N/A
N/A

Crosstalk  

Sonos Arc Crosstalk Sample

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LG S90QY Crosstalk Sample

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Crosstalk Error 
 

Lock dB
Lock dB
Show Text 

Stereo Dynamics 
 

N/A
N/A

Dynamic Range Compression  

Sonos Arc Dynamic Range Compression Sample

SAMPLE

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LG S90QY Dynamic Range Compression Sample

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SPL @ Max Volume 
 

Lock dB SPL
Lock dB SPL

DRC @ 90dB 
 

Lock dB

DRC @ Max Volume 
 

Lock dB
Lock dB
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Stereo Total Harmonic Distortion 
 

N/A
N/A

THD  

Sonos Arc THD Sample

SAMPLE

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LG S90QY THD Sample

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Weighted THD @ 80dB 
 

Lock

Weighted THD @ Max Volume 
 

Lock
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Center 
 

N/A
N/A

Center Setup  

Sonos Arc Center Setup Sample

SAMPLE

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LG S90QY Center Setup Sample

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Frequency Response  

Sonos Arc Frequency Response Sample

SAMPLE

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LG S90QY Frequency Response Sample

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Localization 
 

Locked
Locked

Slope 
 

Lock
Lock

Std. Err. 
 

Lock dB
Lock dB

SPL @ Max Volume 
 

Lock dB SPL
Lock dB SPL

Weighted THD @ 80dB 
 

Lock
Lock

Weighted THD @ Max Volume 
 

Lock
Lock
Show Text 

Surround 5.1 
 

N/A
N/A

Surround Setup  

Sonos Arc Surround Setup Sample

SAMPLE

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LG S90QY Surround Setup Sample

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Frequency Response  

Sonos Arc Frequency Response Sample

SAMPLE

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LG S90QY Frequency Response Sample

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Localization 
 

Locked
Locked

Slope 
 

Lock
Lock

Std. Err. 
 

Lock dB
Lock dB

SPL @ Max Volume 
 

Lock dB SPL
Lock dB SPL

Weighted THD @ 80dB 
 

Lock
Lock

Weighted THD @ Max Volume 
 

Lock
Lock

7.1 Rears 
 

Locked
Locked
Show Text 

Height (Atmos) 
 

N/A
N/A

Height Setup  

Sonos Arc Height Setup Sample

SAMPLE

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LG S90QY Height Setup Sample

SAMPLE

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H Frequency Response  

Sonos Arc H Frequency Response Sample

SAMPLE

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LG S90QY H Frequency Response Sample

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Localization 
 

Locked
Locked

Slope 
 

Lock
Lock

Std. Err. 
 

Lock dB
Lock dB

SPL @ Max Volume 
 

Lock dB SPL
Lock dB SPL

Weighted THD @ 80dB 
 

Lock
Lock

Weighted THD @ Max Volume 
 

Lock
Lock
Show Text 

Sound Enhancement Features 
 

N/A
N/A

Room Correction 
 

Locked
Locked

Dialogue Enhancement 
 

Locked
Locked

Auto-Volume/Night Mode 
 

Locked
Locked

Subwoofer Level Adjustment 
 

Locked
Locked

Bass Adjustment 
 

Locked
Locked

Treble Adjustment 
 

Locked
Locked

EQ 
 

Locked
Locked

Surround Level Adjustment 
 

Locked
Locked

Rear Level Adjustment 
 

Locked
Locked

Height Level Adjustment 
 

Locked
Locked

Virtual Surround 
 

Locked
Locked
Show Text 
Connectivity

Inputs/Outputs - Bar 
 

Physical Connections Bar Photo 1  

Sonos Arc Physical Connections Bar Photo 1 Sample

SAMPLE

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LG S90QY Physical Connections Bar Photo 1 Sample

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Physical Connections Bar Photo 2  

Sonos Arc Physical Connections Bar Photo 2 Sample

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LG S90QY Physical Connections Bar Photo 2 Sample

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Optical Audio In 
 

Locked
Locked

HDMI Out 
 

Locked
Locked

HDMI 2.1 Class Bandwidth 
 

Locked
Locked

Full HDMI In 
 

Locked
Locked

Analog Audio In 3.5mm (Aux) 
 

Locked
Locked

RCA In 
 

Locked
Locked

USB for Files 
 

Locked
Locked

Ethernet 
 

Locked
Locked

Subwoofer Output 
 

Locked
Locked
Show Text 

Audio Format Support: ARC/eARC 
 

N/A
N/A

Dolby Atmos 
 

Locked
Locked

Dolby Digital 
 

Locked
Locked

Dolby Digital Plus 
 

Locked
Locked

Dolby TrueHD 
 

Locked
Locked

DTS 
 

Locked
Locked

DTS:X 
 

Locked
Locked

DTS-HD MA 
 

Locked
Locked

PCM Channels 
 

Locked
Locked
Show Text 

Audio Format Support: HDMI In 
 

N/A
N/A

Dolby Atmos 
 

Locked
Locked

Dolby Digital 
 

Locked
Locked

Dolby Digital Plus 
 

Locked
Locked

Dolby TrueHD 
 

Locked
Locked

DTS 
 

Locked
Locked

DTS:X 
 

Locked
Locked

DTS-HD MA 
 

Locked
Locked

PCM Channels 
 

Locked
Locked
Show Text 

Audio Format Support: Optical 
 

N/A
N/A

Dolby Digital 
 

Locked
Locked

DTS 
 

Locked
Locked

PCM Channels 
 

Locked
Locked
Show Text 

Audio Latency: ARC 
 

N/A
N/A

ARC Latency Video  

Sonos Arc ARC Latency Video Sample

SAMPLE

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LG S90QY ARC Latency Video Sample

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PCM-2.0 ch 
 

Lock ms

PCM-5.1 ch 
 

Lock ms

Dolby MAT (PCM) Atmos 
 

Lock ms

Dolby Digital 
 

Lock ms

Dolby Digital Plus 
 

Lock ms

Dolby Digital Plus Atmos 
 

Lock ms
Show Text 

Audio Latency: HDMI In 
 

N/A
N/A

HDMI Latency Video  

Sonos Arc HDMI Latency Video Sample

SAMPLE

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LG S90QY HDMI Latency Video Sample

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Latency Video  

Sonos Arc Latency Video Sample

SAMPLE

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LG S90QY Latency Video Sample

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PCM-2.0 ch 
 

N/A

PCM-5.1 ch 
 

N/A

Dolby MAT (PCM) Atmos 
 

N/A

Dolby Digital 
 

N/A

Dolby Digital Plus 
 

N/A

Dolby Digital Plus Atmos 
 

N/A

ARC 
 

Lock ms

Optical 
 

Lock ms

Full HDMI In 
 

Lock ms
Show Text 

Audio Latency: Optical 
 

N/A
N/A

Optical Latency Video  

Sonos Arc Optical Latency Video Sample

SAMPLE

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LG S90QY Optical Latency Video Sample

SAMPLE

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PCM-2.0 ch 
 

Lock ms

Dolby Digital 
 

Lock ms
Show Text 

Video Passthrough To TV 
 

N/A
N/A

1080p Max Refresh Rate 
 

Locked
Locked

1080p @ 4:4:4 Max Refresh Rate 
 

Locked
Locked

4k Max Refresh Rate 
 

Locked
Locked

4k @ 120Hz @ 10-Bit 
 

Locked
Locked

4k @ 4:4:4 Max Refresh Rate 
 

Locked
Locked

8k Max Refresh Rate 
 

Locked
Locked

HDR10 Passthrough 
 

Locked
Locked

HDR10+ Passthrough 
 

Locked
Locked

Dolby Vision Passthrough 
 

Locked
Locked

HDMI Forum VRR Passthrough 
 

Locked
Locked

FreeSync Passthrough 
 

Locked
Locked

G-SYNC Passthrough 
 

Locked
Locked

ALLM Passthrough 
 

Locked
Locked
Show Text 

Wireless Playback 
 

N/A
N/A

Bluetooth 
 

Locked
Locked

Wi-Fi Playback 
 

Locked
Locked

Chromecast built-in 
 

Locked
Locked

Apple AirPlay 
 

Locked
Locked

Spotify Connect 
 

Locked
Locked
Show Text 
Additional Features

Interface 
 

Interface photo  

Sonos Arc Interface photo Sample

SAMPLE

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LG S90QY Interface photo Sample

SAMPLE

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Display 
 

Locked
Locked
Show Text 

Bar Controls 
 

Controls photo  

Sonos Arc Controls photo Sample

SAMPLE

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LG S90QY Controls photo Sample

SAMPLE

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Remote  

Remote photo  

Sonos Arc Remote photo Sample

SAMPLE

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LG S90QY Remote photo Sample

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Show Text 

Voice Assistants Support 
 

Amazon Alexa 
 

Locked
Locked

Google Assistant 
 

Locked
Locked

Apple Siri 
 

Locked
Locked

Microphone Mute 
 

Locked
Locked
Show Text 

Check Price

Shadow Edition
Arc SL
Amazon.com
Black
S90QY
SEE PRICE
BestBuy.com
 
Black
S90QY
B&H
 
Black
S90QY
LG.com

Sonos Arc

LG S90QY

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