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Products
LG SP7R
Vizio M Series M512a-H6
Tested using Methodology v1.2
Updated Jan 12, 2024 04:31 PM
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Amazon.comTested using Methodology v1.3
Updated Oct 24, 2024 02:30 PM
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Amazon.com
Channels7.1
Channels5.1.2
Our Verdict
LG SP7R
Vizio M Series M512a-H6
The Vizio M Series M512a-H6 is better than the LG SP7R. The Vizio supports Dolby Atmos content, unlike the LG. It gets louder, too, and reproduces a more extended low-bass. You don't have to wire its satellites to a receiver, which some users may prefer.
Variants
- SP7R (Black)
- M Series M512a-H6 (Black)
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Black
SP7R
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M Series M512a-H6
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Amazon.comBlack
SP7R
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M Series M512a-H6
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Amazon.comBlack
SP7R
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BestBuy.comMain Differences forMixed Usage
Mixed Usage
Threshold
Mixed Usage
7.0
7.8
Height (Atmos)
0.0
5.7
Audio Format Support: ARC/eARC
3.3
9.9
Stereo Frequency Response
7.4
7.8
Surround 5.1
7.6
5.4
Stereo Soundstage
7.0
8.0
Full Comparison
Design
Style - Bar
Style photo - bar
Style - Subwoofer
Style photo - sub
Sub Wireless
Yes
Yes
Enclosure
Ported
Ported
Style - Satellites
Style photo - satellites
Satellite Wireless
Partial, satellites wired together
Partial, wired to wireless sub
Dimensions - Bar
Dimensions photo - bar
Width
39.4" (100.0 cm)
40.0" (101.7 cm)
Height
2.5" (6.4 cm)
2.7" (6.9 cm)
Depth
4.2" (10.6 cm)
4.1" (10.4 cm)
Dimensions - Subwoofer
Dimensions photo - sub
Width
7.1" (18.0 cm)
8.3" (21.2 cm)
Height
15.4" (39.0 cm)
9.9" (25.2 cm)
Depth
11.4" (29.0 cm)
11.7" (29.7 cm)
Dimensions - Satellites
Dimensions photo - satellites
Width
3.9" (10.0 cm)
5.7" (14.6 cm)
Height
5.5" (13.9 cm)
2.3" (5.8 cm)
Depth
3.9" (10.0 cm)
3.5" (9.0 cm)
Mounting
Bar Mounting Holes
Satellite Mounting Holes
Mountable Bar
Yes
Yes
Bar Brackets Included
Yes
Yes
Mountable Satellites
Yes
Yes
Satellite Brackets Included
No
Yes
Build Quality
7.5
7.5
Build quality photo
In The Box
In The Box photo
Sound
Stereo Frequency Response
7.4
7.8
Stereo Setup
Raw Frequency Response
Frequency Response Small
Channels
7.1
5.1.2
Tested Preset
Standard
Direct
Slope
-0.90
0.05
Standard Error
3.29 dB
3.79 dB
Low-Frequency Extension
46.9 Hz
31.7 Hz
High-Frequency Extension
19.9 kHz
19.9 kHz
Stereo Frequency Response With Preliminary Calibration
7.6
7.8
Frequency Response Calibrated
Suggested Preset
Standard
Direct
Suggested Bass Setting
-4
0
Suggested Treble Setting
2
0
Slope
-0.07
0.05
Standard Error
2.48 dB
3.79 dB
Low-Frequency Extension
46.9 Hz
31.7 Hz
High-Frequency Extension
19.9 kHz
19.9 kHz
Stereo Dynamics
7.9
8.4
Dynamic Range Compression
SPL @ Max Volume
89.7 dB SPL
92.8 dB SPL
DRC @ 90dB
0.24 dB
DRC @ Max Volume
0.46 dB
0.58 dB
Stereo Total Harmonic Distortion
7.5
THD
Weighted THD @ 80dB
0.49
Weighted THD @ Max Volume
2.30
Center
7.5
8.3
Center Setup
Frequency Response
Localization
Discrete
Discrete
Slope
-0.36
-0.05
Std. Err.
4.41 dB
2.96 dB
SPL @ Max Volume
85.1 dB SPL
93.1 dB SPL
Weighted THD @ 80dB
1.08
0.82
Weighted THD @ Max Volume
5.05
1.61
Surround 5.1
7.6
5.4
Surround Setup
Frequency Response
Localization
Discrete
Discrete
Slope
-1.53
-0.81
Std. Err.
5.49 dB
9.29 dB
SPL @ Max Volume
96.6 dB SPL
90.8 dB SPL
Weighted THD @ 80dB
0.29
1.03
Weighted THD @ Max Volume
1.61
14.09
7.1 Rears
Yes
No
Height (Atmos)
0.0
5.7
Height Setup
H Frequency Response
Localization
Not Supported
Phantom (Up Firing, Bar)
Slope
N/A
-0.31
Std. Err.
N/A
4.49 dB
SPL @ Max Volume
N/A
78.9 dB SPL
Weighted THD @ 80dB
N/A
0.90
Weighted THD @ Max Volume
N/A
0.80
Sound Enhancement Features
7.4
7.4
Room Correction
No
No
Dialogue Enhancement
Yes
Yes
Auto-Volume/Night Mode
Yes
Yes
Subwoofer Level Adjustment
Yes
Yes
Bass Adjustment
Yes
Yes
Treble Adjustment
Yes
Yes
EQ
Presets
Presets
Surround Level Adjustment
Yes
Yes
Rear Level Adjustment
Yes
No
Height Level Adjustment
No
Yes
Virtual Surround
Yes
Yes
Connectivity
Inputs/Outputs - Bar
Physical Connections Bar Photo 1
Physical Connections Bar Photo 2
Optical Audio In
1
1
HDMI Out
ARC
eARC
HDMI 2.1 Class Bandwidth
No
No
Full HDMI In
1
1
Analog Audio In 3.5mm (Aux)
No
1
RCA In
No
No
USB for Files
1
1
Ethernet
No
No
Subwoofer Output
No
No
Audio Format Support: ARC/eARC
3.3
9.9
Dolby Atmos
Not Supported
Supported
Dolby Digital
Incorrect Implementation
Supported
Dolby Digital Plus
Not Supported
Supported
Dolby TrueHD
Not Supported
Supported
DTS
Incorrect Implementation
Supported
DTS:X
Not Supported
Supported
DTS-HD MA
Not Supported
Supported
PCM Channels
2.0
Up To 5.1
Audio Format Support: HDMI In
3.0
9.9
Dolby Atmos
Not Supported
Supported
Dolby Digital
Incorrect Implementation
Supported
Dolby Digital Plus
Not Supported
Supported
Dolby TrueHD
Not Supported
Supported
DTS
Incorrect Implementation
Supported
DTS:X
Not Supported
Supported
DTS-HD MA
Not Supported
Supported
PCM Channels
Not Supported
Up To 5.1
Audio Format Support: Optical
6.0
10
Dolby Digital
Incorrect Implementation
Supported
DTS
Incorrect Implementation
Supported
PCM Channels
2.0
2.0
Audio Latency: ARC
6.3
ARC Latency Video
PCM-2.0 ch
92 ms
PCM-5.1 ch
106 ms
Dolby MAT (PCM) Atmos
112 ms
Dolby Digital
124 ms
Dolby Digital Plus
125 ms
Dolby Digital Plus Atmos
134 ms
Audio Latency: HDMI In
5.9
7.1
HDMI Latency Video
Latency Video
PCM-2.0 ch
97 ms
PCM-5.1 ch
103 ms
Dolby MAT (PCM) Atmos
93 ms
Dolby Digital
123 ms
Dolby Digital Plus
111 ms
Dolby Digital Plus Atmos
120 ms
ARC
172 ms
Optical
116 ms
Full HDMI In
64 ms
Audio Latency: Optical
6.1
Optical Latency Video
PCM-2.0 ch
156 ms
Dolby Digital
349 ms
Video Passthrough To TV
3.4
9.2
1080p Max Refresh Rate
60Hz
120Hz
1080p @ 4:4:4 Max Refresh Rate
60Hz
120Hz
4k Max Refresh Rate
Not Supported
120Hz
4k @ 120Hz @ 10-Bit
Not Supported
Not Supported
4k @ 4:4:4 Max Refresh Rate
Not Supported
60Hz
8k Max Refresh Rate
Not Supported
30Hz
HDR10 Passthrough
No
Yes
HDR10+ Passthrough
No
Yes
Dolby Vision Passthrough
No
Yes
HDMI Forum VRR Passthrough
No
Yes
FreeSync Passthrough
No
Yes
G-SYNC Passthrough
No
No
ALLM Passthrough
No
Yes
Wireless Playback
6.0
6.0
Bluetooth
Yes
Yes
Wi-Fi Playback
No
No
Chromecast built-in
No
No
Apple AirPlay
No
No
Spotify Connect
No
No
Additional Features
Interface
Interface photo
Display
Yes
No
Bar Controls
Controls photo
Remote
Remote photo
Voice Assistants Support
Amazon Alexa
No
No
Google Assistant
No
No
Apple Siri
No
No
Microphone Mute
No
No
Check Price
Black
SP7R
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Amazon.comBlack
M Series M512a-H6
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Amazon.comBlack
SP7R
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B&HBlack
M Series M512a-H6
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Amazon.comBlack
SP7R
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Walmart.comBlack
SP7R
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LG SP7R
Vizio M Series M512a-H6
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Vizio M Series M512a-H6 vs LG SP7R: Main Discussion
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