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  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
    10. Back - Bar
    11. Back - Subwoofer
    12. Back - Satellites
  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
    10. Connectivity - Subwoofer
    11. Connectivity - Satellites
  7. Additional Features
    1. Interface
    2. Bar Controls
    3. Remote
    4. Voice Assistants Support
    5. App
    6. Other Features
  8. Comments

Sonos Arc vs LG SPD7Y

Side-by-Side Comparison

Products

Sonos Arc
LG SPD7Y

Tested using Methodology v1.3

Updated Nov 28, 2024 02:21 PM

SEE PRICE
Amazon.com

Tested using Methodology v1.0

Updated Jan 12, 2024 08:17 PM

SEE PRICE
LG.com
Sonos Arc Picture
LG SPD7Y Picture

Variants

  • Arc (Black)
  • Arc SL (Shadow Edition)
  • Arc (White)
  • SPD7Y (Black)

Our Verdict

Sonos Arc

LG SPD7Y

The Sonos Arc is a better soundbar than the LG SPD7Y. The standalone Sonos is better built and has better soundstage, center, surround, and Atmos performances. It also has a more neutral sound profile with its room correction feature, which some users may prefer. It also has built-in voice assistant support. However, the LG has EQ presets for sound customization and a Full HDMI In port.

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Main Differences for
Mixed Usage

Threshold 

0.10

Mixed Usage 

7.4
7.3

Audio Format Support: HDMI In 
 

0.0
10

Stereo Soundstage 
 

8.0
7.0

Full Comparison

Design

Style - Bar  

Style photo - bar  

Sonos Arc Style photo - bar
LG SPD7Y Style photo - bar
Show Text 

Style - Subwoofer  

Style photo - sub  

Sonos Arc Style photo - sub
LG SPD7Y Style photo - sub

Sub Wireless 
 

No
Yes

Enclosure 
 

No Subwoofer
Ported
Show Text 

Style - Satellites  

Style photo - satellites  

Sonos Arc Style photo - satellites
LG SPD7Y Style photo - satellites

Satellite Wireless 
 

No
No
Show Text 

Dimensions - Bar  

Dimensions photo - bar  

Sonos Arc Dimensions photo - bar
LG SPD7Y Dimensions photo - bar

Width  

44.9" (114.1 cm)
35.0" (89.0 cm)

Height  

3.4" (8.7 cm)
2.4" (6.0 cm)

Depth  

4.7" (12.0 cm)
4.7" (12.0 cm)
Show Text 

Dimensions - Subwoofer  

Dimensions photo - sub  

Sonos Arc Dimensions photo - sub
LG SPD7Y Dimensions photo - sub

Width  

N/A
7.1" (18.0 cm)

Height  

N/A
15.5" (39.3 cm)

Depth  

N/A
11.5" (29.3 cm)
Show Text 

Dimensions - Satellites  

Dimensions photo - satellites  

Sonos Arc Dimensions photo - satellites
LG SPD7Y Dimensions photo - satellites

Width  

N/A
N/A

Height  

N/A
N/A

Depth  

N/A
N/A

Mounting 
 

Bar Mounting Holes  

Sonos Arc Bar Mounting Holes

Satellite Mounting Holes  

Sonos Arc Satellite Mounting Holes

Mountable Bar 
 

Yes

Bar Brackets Included 
 

No

Mountable Satellites 
 

No

Satellite Brackets Included 
 

No
Show Text 

Build Quality 
 

8.0
7.5

Build quality photo  

Sonos Arc Build quality photo
LG SPD7Y Build quality photo
Show Text 

In The Box 
 

In The Box photo   

Sonos Arc In The Box photo
LG SPD7Y In The Box photo

HDMI Cable Length 
 

N/A

Digital Optical Cable Length 
 

1.5 m (4.9 ft)
Show Text 

Back - Bar  

Back photo - bar  

LG SPD7Y Back photo - bar

Bar Mounting 
 

Universal (holes on underside)
Show Text 

Back - Subwoofer  

Back photo - sub  

LG SPD7Y Back photo - sub

Enclosure 
 

No Subwoofer
Ported
Show Text 

Back - Satellites  

Back photo - satellites  

LG SPD7Y Back photo - satellites

Mounting 
 

No
Sound

Stereo Frequency Response 
 

7.2
7.2

Stereo Setup  

Sonos Arc Stereo Setup
LG SPD7Y 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 
 

5.0.2
3.1.2

Tested Preset 
 

No Preset
Standard

Slope 
 

0.37
-1.46

Standard Error 
 

3.33 dB
3.86 dB

Low-Frequency Extension 
 

51.1 Hz
46.9 Hz

High-Frequency Extension 
 

19.9 kHz
19.6 kHz
Show Text 

Stereo Frequency Response With Preliminary Calibration 
 

7.2
7.5

Frequency Response Calibrated  

See details on graph tool
See details on graph tool

Suggested Preset 
 

No Preset
Standard

Suggested Bass Setting 
 

0
-5

Suggested Treble Setting 
 

-3
3

Slope 
 

-0.09
-0.42

Standard Error 
 

3.08 dB
2.48 dB

Low-Frequency Extension 
 

51.1 Hz
49.0 Hz

High-Frequency Extension 
 

19.9 kHz
19.9 kHz
Show Text 

Stereo Soundstage 
 

8.0
7.0

Crosstalk  

See details on graph tool
See details on graph tool

Crosstalk Error 
 

2.28 dB
2.78 dB
Show Text 

Stereo Dynamics 
 

8.1
8.0

Dynamic Range Compression  

See details on graph tool
See details on graph tool

SPL @ Max Volume 
 

91.6 dB SPL
92.8 dB SPL

DRC @ 90dB 
 

0.28 dB

DRC @ Max Volume 
 

0.75 dB
1.05 dB
Show Text 

Stereo Total Harmonic Distortion 
 

7.4

THD  

See details on graph tool

Weighted THD @ 80dB 
 

0.49

Weighted THD @ Max Volume 
 

3.09
Show Text 

Center 
 

7.8
7.7

Center Setup  

Sonos Arc Center Setup
LG SPD7Y Center Setup

Frequency Response  

See details on graph tool
See details on graph tool

Localization 
 

Discrete
Discrete

Slope 
 

-0.40
-1.10

Std. Err. 
 

2.94 dB
4.16 dB

SPL @ Max Volume 
 

76.5 dB SPL
89.6 dB SPL

Weighted THD @ 80dB 
 

0.32
2.18

Weighted THD @ Max Volume 
 

1.56
3.97
Show Text 

Surround 5.1 
 

5.7
3.9

Surround Setup  

Sonos Arc Surround Setup
LG SPD7Y Surround Setup

Frequency Response  

See details on graph tool
See details on graph tool

Localization 
 

Phantom (Side Firing, Bar)
Stereo (Downmix)

Slope 
 

0.01
-1.80

Std. Err. 
 

3.27 dB
4.02 dB

SPL @ Max Volume 
 

75.1 dB SPL
92.7 dB SPL

Weighted THD @ 80dB 
 

0.39
0.59

Weighted THD @ Max Volume 
 

0.98
2.75

7.1 Rears 
 

No
No
Show Text 

Height (Atmos) 
 

6.1
5.3

Height Setup  

Sonos Arc Height Setup
LG SPD7Y Height Setup

H Frequency Response  

See details on graph tool
See details on graph tool

Localization 
 

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

Slope 
 

0.55
-1.88

Std. Err. 
 

2.91 dB
5.83 dB

SPL @ Max Volume 
 

62.0 dB SPL
81.8 dB SPL

Weighted THD @ 80dB 
 

1.07
1.82

Weighted THD @ Max Volume 
 

0.18
0.43
Show Text 

Sound Enhancement Features 
 

5.7
7.4

Room Correction 
 

Yes
No

Dialogue Enhancement 
 

Yes
Yes

Auto-Volume/Night Mode 
 

Yes
Yes

Subwoofer Level Adjustment 
 

No
Yes

Bass Adjustment 
 

Yes
Yes

Treble Adjustment 
 

Yes
Yes

EQ 
 

No
Presets

Surround Level Adjustment 
 

No
No

Rear Level Adjustment 
 

No
Yes

Height Level Adjustment 
 

Yes
Yes

Virtual Surround 
 

No
Yes
Show Text 
Connectivity

Inputs/Outputs - Bar 
 

Physical Connections Bar Photo 1  

Sonos Arc Physical Connections Bar Photo 1
LG SPD7Y Physical Connections Bar Photo 1

Physical Connections Bar Photo 2  

Sonos Arc Physical Connections Bar Photo 2
LG SPD7Y Physical Connections Bar Photo 2

Optical Audio In 
 

Adapter into HDMI ARC
1

HDMI Out 
 

eARC
1 (shared)

HDMI 2.1 Class Bandwidth 
 

No

Full HDMI In 
 

No
1

Analog Audio In 3.5mm (Aux) 
 

No
No

RCA In 
 

No
No

USB for Files 
 

No
1

Ethernet 
 

1
No

Subwoofer Output 
 

No

HDMI ARC 
 

1 (shared)
Show Text 

Audio Format Support: ARC/eARC 
 

9.6
10

Dolby Atmos 
 

Supported
Yes

Dolby Digital 
 

Supported
Yes

Dolby Digital Plus 
 

Supported
Yes

Dolby TrueHD 
 

Supported
Yes

DTS 
 

Supported
Yes

DTS:X 
 

Not Supported
Yes

eARC 
 

Yes

DTS-HD MA 
 

Not Supported
Yes

PCM Channels 
 

Up To 7.1

5.1 PCM (eARC only) 
 

Yes
Show Text 

Audio Format Support: HDMI In 
 

0.0
10

Dolby Atmos 
 

Not Supported
Yes

Dolby Digital 
 

Not Supported
Yes

Dolby Digital Plus 
 

Not Supported
Yes

Dolby TrueHD 
 

Not Supported
Yes

DTS 
 

Not Supported
Yes

DTS:X 
 

Not Supported
Yes

DTS-HD MA 
 

Not Supported
Yes

PCM Channels 
 

Not Supported

5.1 PCM 
 

Yes
Show Text 

Audio Format Support: Optical 
 

10
10

Dolby Digital 
 

Supported
Yes

DTS 
 

Supported
Yes

PCM Channels 
 

2.0
Show Text 

Audio Latency: ARC 
 

8.5

ARC Latency Video  

PCM-2.0 ch 
 

42 ms

PCM-5.1 ch 
 

41 ms

Dolby MAT (PCM) Atmos 
 

59 ms

Dolby Digital 
 

92 ms

Dolby Digital Plus 
 

101 ms

Dolby Digital Plus Atmos 
 

101 ms
Show Text 

Audio Latency: HDMI In 
 

0.0
7.6

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 
 

75 ms

Optical 
 

54 ms

Full HDMI In 
 

86 ms
Show Text 

Audio Latency: Optical 
 

9.0

Optical Latency Video  

PCM-2.0 ch 
 

99 ms

Dolby Digital 
 

129 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 
 

No
Yes

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 
 

3.0
6.0

Bluetooth 
 

No
Yes

Wi-Fi Playback 
 

Yes
No

Chromecast built-in 
 

No
No

Apple AirPlay 
 

Yes
No

Spotify Connect 
 

Yes
Show Text 

Connectivity - Subwoofer 
 

Physical inputs subwoofer photo 1  

LG SPD7Y Physical inputs subwoofer photo 1

Physical controls subwoofer photo 1  

LG SPD7Y Physical controls subwoofer photo 1

Sub Wireless 
 

No
Yes
Show Text 

Connectivity - Satellites 
 

Physical inputs satellites photo 1  

LG SPD7Y Physical inputs satellites photo 1

Physical controls satellites photo 1  

LG SPD7Y Physical controls satellites photo 1

Sat Wireless 
 

No
No
Additional Features

Interface 
 

Interface photo  

Sonos Arc Interface photo
LG SPD7Y Interface photo

Display 
 

No
Yes
Show Text 

Bar Controls 
 

Controls photo  

Sonos Arc Controls photo
LG SPD7Y Controls photo
Show Text 

Remote  

Remote photo  

Sonos Arc Remote photo
LG SPD7Y Remote photo

Universal Remote 
 

No
Show Text 

Voice Assistants Support 
 

Amazon Alexa 
 

Yes (Built-in)
No

Google Assistant 
 

Yes (Built-in)
No

Apple Siri 
 

No
No

Microphone Mute 
 

Yes
Show Text 

App 
 

App image  

LG SPD7Y App image

App Name  

LG Sound Bar

iOS  

Yes

Android  

Yes

Acts As A Remote 
 

Yes

Controls Soundbar's Settings 
 

All

Casts Device Files 
 

Yes
Show Text 

Other Features 
 

Power Saving 
 

Auto-off

HDMI CEC (TV Remote Control) 
 

Yes
Show Text 

Sonos Arc

LG SPD7Y

Comments

  1. Comparison

Sonos Arc vs LG SPD7Y: Main Discussion

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