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  1. Home
  2. Soundbar
  3. Compare
  1. Table of Contents
  2. Top
  3. Main Differences
  4. Design
    1. Style - Bar
    2. Style - Subwoofer
    3. Style - Satellites
    4. Dimensions - Bar
    5. Dimensions - Subwoofer
    6. Dimensions - Satellites
    7. Mounting
    8. Build Quality
    9. In The Box
  5. Sound
    1. Stereo Frequency Response
    2. Stereo Frequency Response With Preliminary Calibration
    3. Stereo Soundstage
    4. Stereo Dynamics
    5. Stereo Total Harmonic Distortion
    6. Center
    7. Surround 5.1
    8. Height (Atmos)
    9. Sound Enhancement Features
  6. Connectivity
    1. Inputs/Outputs - Bar
    2. Audio Format Support: ARC/eARC
    3. Audio Format Support: HDMI In
    4. Audio Format Support: Optical
    5. Audio Latency: ARC
    6. Audio Latency: HDMI In
    7. Audio Latency: Optical
    8. Video Passthrough To TV
    9. Wireless Playback
  7. Additional Features
    1. Interface
    2. Bar Controls
    3. Remote
    4. Voice Assistants Support
  8. Comments

LG SP9YA vs Sonos Beam (Gen 2)

Side-by-Side Comparison

Products

LG SP9YA
Sonos Beam (Gen 2)

Tested using Methodology v1.1

Updated Jan 12, 2024 07:43 PM

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Tested using Methodology v1.3

Updated May 22, 2025 05:12 PM

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LG SP9YA Picture
Sonos Beam (Gen 2) Picture
Channels
5.1.2
Channels
5.0
  1. Recommended in 7 articles:
  2. Soundbars
  3. All-In-One
  4. Music
  5. Small
  6. Under $500
  7. Dialogue
  8. Movies

Variants

  • SP9YA (Black)
  • Beam (Gen 2) (Black)
  • Sonos Beam (Gen 2) (White)

Review

See LG SP9YA Review
See Sonos Beam (Gen 2) Review
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Our Verdict

LG SP9YA

Sonos Beam (Gen 2)

The LG SP9YA is better for mixed usage than the Sonos Beam (Gen 2). The LG is a 5.1.2 setup with a dedicated sub that can reproduce a more extended low-bass. It gets louder and has more sound enhancement features like EQ presets. There's also a Full HDMI In port for high-quality passthrough, which the Sonos lacks. However, if you prefer a more compact, standalone bar, the Sonos is still a solid choice. It's better built and has better soundstage, surround, and Atmos performances than the LG. You can also upgrade it with a sub and satellites if you prefer.

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Black
SP9YA
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Black
Beam (Gen 2)
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Black
SP9YA
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White
Sonos Beam (Gen 2)
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Black
SP9YA
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Black
SP9YA
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SP9YA
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SP9YA
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Main Differences for
Mixed Usage

Threshold 

0.10

Mixed Usage 

8.0
7.4

Stereo Frequency Response 
 

8.3
7.4

Audio Format Support - Full HDMI In 
 

10
0.0

Full Comparison

Design

Style - Bar  

Style photo - bar  

LG SP9YA Style photo - bar
Sonos Beam (Gen 2) Style photo - bar
Show Text 

Style - Subwoofer  

Style photo - sub  

LG SP9YA Style photo - sub
Sonos Beam (Gen 2) Style photo - sub

Sub Wireless 
 

Yes
No

Enclosure 
 

Ported
No Subwoofer
Show Text 

Style - Satellites  

Style photo - satellites  

LG SP9YA Style photo - satellites
Sonos Beam (Gen 2) Style photo - satellites

Satellite Wireless 
 

No
No
Show Text 

Dimensions - Bar  

Dimensions photo - bar  

LG SP9YA Dimensions photo - bar
Sonos Beam (Gen 2) Dimensions photo - bar

Width  

48.1" (122.2 cm)
25.6" (65.0 cm)

Height  

2.3" (5.8 cm)
2.6" (6.7 cm)

Depth  

5.8" (14.7 cm)
4.0" (10.1 cm)
Show Text 

Dimensions - Subwoofer  

Dimensions photo - sub  

LG SP9YA Dimensions photo - sub
Sonos Beam (Gen 2) Dimensions photo - sub

Width  

8.7" (22.1 cm)
N/A

Height  

15.4" (39.0 cm)
N/A

Depth  

12.3" (31.2 cm)
N/A
Show Text 

Dimensions - Satellites  

Dimensions photo - satellites  

LG SP9YA Dimensions photo - satellites
Sonos Beam (Gen 2) Dimensions photo - satellites

Width  

N/A
N/A

Height  

N/A
N/A

Depth  

N/A
N/A

Mounting 
 

Bar Mounting Holes  

LG SP9YA Bar Mounting Holes
Sonos Beam (Gen 2) Bar Mounting Holes

Satellite Mounting Holes  

LG SP9YA Satellite Mounting Holes
Sonos Beam (Gen 2) Satellite Mounting Holes

Mountable Bar 
 

Yes
Yes

Bar Brackets Included 
 

Yes
No

Mountable Satellites 
 

No
No

Satellite Brackets Included 
 

No
No
Show Text 

Build Quality 
 

8.0
8.5

Build quality photo  

LG SP9YA Build quality photo
Sonos Beam (Gen 2) Build quality photo
Show Text 

In The Box 
 

In The Box photo   

LG SP9YA In The Box photo
Sonos Beam (Gen 2) In The Box photo
Show Text 
Sound

Stereo Frequency Response 
 

8.3
7.4

Stereo Setup  

LG SP9YA Stereo Setup
Sonos Beam (Gen 2) Stereo Setup

Raw Frequency Response  

See details on graph tool
See details on graph tool

Frequency Response Small  

See details on graph tool
See details on graph tool

Channels 
 

5.1.2
5.0

Tested Preset 
 

Standard
No Preset

Slope 
 

-0.26
-0.56

Standard Error 
 

2.22 dB
2.82 dB

Low-Frequency Extension 
 

33.2 Hz
50.4 Hz

High-Frequency Extension 
 

19.9 kHz
16.7 kHz
Show Text 

Stereo Frequency Response With Preliminary Calibration 
 

8.3
7.4

Frequency Response Calibrated  

See details on graph tool
See details on graph tool

Suggested Preset 
 

Standard
No Preset

Suggested Bass Setting 
 

-1
-3

Suggested Treble Setting 
 

1
2

Slope 
 

-0.06
0.05

Standard Error 
 

2.18 dB
2.66 dB

Low-Frequency Extension 
 

33.2 Hz
51.9 Hz

High-Frequency Extension 
 

19.9 kHz
17.2 kHz
Show Text 

Stereo Soundstage 
 

7.5
8.0

Crosstalk  

See details on graph tool
See details on graph tool

Crosstalk Error 
 

2.14 dB
2.32 dB
Show Text 

Stereo Dynamics 
 

8.0
7.1

Dynamic Range Compression  

See details on graph tool
See details on graph tool

SPL @ Max Volume 
 

91.8 dB SPL
88.8 dB SPL

DRC @ 90dB 
 

N/A

DRC @ Max Volume 
 

0.92 dB
1.70 dB
Show Text 

Stereo Total Harmonic Distortion 
 

7.0

THD  

See details on graph tool

Weighted THD @ 80dB 
 

0.65

Weighted THD @ Max Volume 
 

3.19
Show Text 

Center 
 

7.7
7.4

Center Setup  

LG SP9YA Center Setup
Sonos Beam (Gen 2) Center Setup

Frequency Response  

See details on graph tool
See details on graph tool

Localization 
 

Discrete
Discrete

Slope 
 

-1.47
0.24

Std. Err. 
 

3.95 dB
3.73 dB

SPL @ Max Volume 
 

86.8 dB SPL
72.3 dB SPL

Weighted THD @ 80dB 
 

1.10
0.63

Weighted THD @ Max Volume 
 

7.83
1.54
Show Text 

Surround 5.1 
 

4.8
5.9

Surround Setup  

LG SP9YA Surround Setup
Sonos Beam (Gen 2) Surround Setup

Frequency Response  

See details on graph tool
See details on graph tool

Localization 
 

Phantom (Side Firing, Bar)
Phantom (Front Firing and Side Firing, Bar)

Slope 
 

1.67
-0.56

Std. Err. 
 

7.19 dB
2.79 dB

SPL @ Max Volume 
 

92.5 dB SPL
70.4 dB SPL

Weighted THD @ 80dB 
 

0.85
0.38

Weighted THD @ Max Volume 
 

7.18
0.87

7.1 Rears 
 

No
No
Show Text 

Height (Atmos) 
 

5.3
5.7

Height Setup  

LG SP9YA Height Setup
Sonos Beam (Gen 2) Height Setup

H Frequency Response  

See details on graph tool
See details on graph tool

Localization 
 

Phantom (Up Firing, Bar)
Phantom (Front Firing, Bar)

Slope 
 

-0.12
1.01

Std. Err. 
 

5.73 dB
3.35 dB

SPL @ Max Volume 
 

79.4 dB SPL
59.2 dB SPL

Weighted THD @ 80dB 
 

2.00
1.45

Weighted THD @ Max Volume 
 

0.29
0.30
Show Text 

Sound Enhancement Features 
 

9.2
5.4

Room Correction 
 

Yes
Yes

Dialogue Enhancement 
 

Yes
Yes

Auto-Volume/Night Mode 
 

Yes
Yes

Subwoofer Level Adjustment 
 

Yes
No

Bass Adjustment 
 

Yes
Yes

Treble Adjustment 
 

Yes
Yes

EQ 
 

Presets
No

Surround Level Adjustment 
 

Yes
No

Rear Level Adjustment 
 

Yes
No

Height Level Adjustment 
 

Yes
No

Virtual Surround 
 

Yes
No
Show Text 
Connectivity

Inputs/Outputs - Bar 
 

Physical Connections Bar Photo 1  

LG SP9YA Physical Connections Bar Photo 1
Sonos Beam (Gen 2) Physical Connections Bar Photo 1

Physical Connections Bar Photo 2  

LG SP9YA Physical Connections Bar Photo 2
Sonos Beam (Gen 2) Physical Connections Bar Photo 2

Optical Audio In 
 

1
Adapter into HDMI ARC

HDMI ARC 
 

1 (shared)

HDMI Out 
 

1 (shared)
eARC

HDMI 2.1 Class Bandwidth 
 

No

Full HDMI In 
 

1
No

Analog Audio In 3.5mm (Aux) 
 

No
No

RCA In 
 

No
No

USB for Files 
 

1
No

Ethernet 
 

No
1

Subwoofer Output 
 

No
No
Show Text 

Audio Format Support: ARC/eARC 
 

10
9.6

Dolby Atmos 
 

Yes
Supported

Dolby Digital 
 

Yes
Supported

Dolby Digital Plus 
 

Yes
Supported

Dolby TrueHD 
 

Yes
Supported

DTS 
 

Yes
Supported

DTS:X 
 

Yes
Not Supported

eARC 
 

Yes

DTS-HD MA 
 

Yes
Not Supported

PCM Channels 
 

Up To 7.1

5.1 PCM (eARC only) 
 

Yes
Show Text 

Audio Format Support: HDMI In 
 

10
0.0

Dolby Atmos 
 

Yes
Not Supported

Dolby Digital 
 

Yes
Not Supported

Dolby Digital Plus 
 

Yes
Not Supported

Dolby TrueHD 
 

Yes
Not Supported

DTS 
 

Yes
Not Supported

DTS:X 
 

Yes
Not Supported

DTS-HD MA 
 

Yes
Not Supported

PCM Channels 
 

Not Supported

5.1 PCM 
 

Yes
Show Text 

Audio Format Support: Optical 
 

10
10

Dolby Digital 
 

Yes
Supported

DTS 
 

Yes
Supported

PCM Channels 
 

2.0
Show Text 

Audio Latency: ARC 
 

7.3

ARC Latency Video  

PCM-2.0 ch 
 

61 ms

PCM-5.1 ch 
 

61 ms

Dolby MAT (PCM) Atmos 
 

79 ms

Dolby Digital 
 

111 ms

Dolby Digital Plus 
 

121 ms

Dolby Digital Plus Atmos 
 

121 ms
Show Text 

Audio Latency: HDMI In 
 

7.5
0.0

HDMI Latency Video  

Latency Video  

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 
 

82 ms

Optical 
 

66 ms

Full HDMI In 
 

75 ms
Show Text 

Audio Latency: Optical 
 

7.8

Optical Latency Video  

PCM-2.0 ch 
 

119 ms

Dolby Digital 
 

180 ms
Show Text 

Video Passthrough To TV 
 

0.0
0.0

1080p Max Refresh Rate 
 

Not Supported

1080p @ 4:4:4 Max Refresh Rate 
 

Not Supported

4k Max Refresh Rate 
 

Not Supported

4k @ 120Hz @ 10-Bit 
 

Not Supported

4k @ 4:4:4 Max Refresh Rate 
 

Not Supported

8k Max Refresh Rate 
 

Not Supported

HDR10 Passthrough 
 

Yes
No

HDR10+ Passthrough 
 

No

Dolby Vision Passthrough 
 

No

HDMI Forum VRR Passthrough 
 

No

4k @ 60 Hz Passthrough 
 

Yes

FreeSync Passthrough 
 

No

G-SYNC Passthrough 
 

No

ALLM Passthrough 
 

No

4k @ 60 Hz @ 10 bit Passthrough 
 

Yes

4k @ 60 Hz @ 4:4:4 Passthrough 
 

Yes
Show Text 

Wireless Playback 
 

10
3.0

Bluetooth 
 

Yes
No

Wi-Fi Playback 
 

Yes
Yes

Chromecast built-in 
 

Yes
No

Apple AirPlay 
 

Yes
Yes

Spotify Connect 
 

Yes
Yes
Show Text 
Additional Features

Interface 
 

Interface photo  

LG SP9YA Interface photo
Sonos Beam (Gen 2) Interface photo

Display 
 

Yes
No
Show Text 

Bar Controls 
 

Controls photo  

LG SP9YA Controls photo
Sonos Beam (Gen 2) Controls photo
Show Text 

Remote  

Remote photo  

LG SP9YA Remote photo
Sonos Beam (Gen 2) Remote photo
Show Text 

Voice Assistants Support 
 

Amazon Alexa 
 

No
Yes (Built-in)

Google Assistant 
 

No
Yes (Built-in)

Apple Siri 
 

No
No

Microphone Mute 
 

No
Yes
Show Text 

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Black
SP9YA
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Beam (Gen 2)
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SP9YA
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Sonos Beam (Gen 2)
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SP9YA
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SP9YA
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SP9YA
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LG SP9YA

Sonos Beam (Gen 2)

Comments

  1. Comparison
 • Posted 1 year ago

LG SP9YA vs Sonos Beam (Gen 2): Main Discussion

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