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Vizio V Series V21-H8 vs TCL Alto 6+
Side-by-Side Comparison
Products
Vizio V Series V21-H8
TCL Alto 6+
Tested using Methodology v1.2
Updated Apr 17, 2024 02:36 PM
SEE PRICE
Amazon.comTested using Methodology v1.2
Updated Apr 17, 2024 02:45 PM
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Amazon.com
Channels2.1
Channels2.1
Variants
- V21 H8 (Black)
- V21 H8R (Black)
- Alto 6+ (Black)
Our Verdict
Vizio V Series V21-H8
TCL Alto 6+
The Vizio V Series V21-H8 is a better soundbar for music and movies than the TCL Alto 6+. The Vizio can produce a thumpier, boomy sound, and its center, as well as surround performances, are better. It offers more sound enhancement features.
Main Differences forMixed Usage
Mixed Usage
Threshold
Mixed Usage
7.0
6.5
Stereo Frequency Response
7.6
7.3
Auto-Volume/Night Mode
Yes
No
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
No
No
Dimensions - Bar
Dimensions photo - bar
Width
36.0" (91.5 cm)
31.5" (80.0 cm)
Height
2.3" (5.8 cm)
2.4" (6.2 cm)
Depth
3.2" (8.2 cm)
4.2" (10.6 cm)
Dimensions - Subwoofer
Dimensions photo - sub
Width
8.3" (21.2 cm)
8.0" (20.2 cm)
Height
9.8" (25.0 cm)
12.8" (32.4 cm)
Depth
8.3" (21.2 cm)
8.0" (20.2 cm)
Dimensions - Satellites
Dimensions photo - satellites
Width
N/A
N/A
Height
N/A
N/A
Depth
N/A
N/A
Mounting
Bar Mounting Holes
Satellite Mounting Holes
Mountable Bar
Yes
Yes
Bar Brackets Included
Yes
Yes
Mountable Satellites
No
No
Satellite Brackets Included
No
No
Build Quality
7.0
7.0
Build quality photo
In The Box
In The Box photo
Sound
Stereo Frequency Response
7.6
7.3
Stereo Setup
Raw Frequency Response
Frequency Response Small
Tested Preset
Music
Music
Slope
-0.86
-0.69
Std. Err.
4.28 dB
3.40 dB
Channels
2.1
2.1
Low-Frequency Extension
34.1 Hz
48.3 Hz
High-Frequency Extension
16.5 kHz
19.9 kHz
Stereo Frequency Response With Preliminary Calibration
7.5
7.3
Frequency Response Calibrated
Suggested Preset
Music
Music
Suggested Bass Setting
-4
N/A
Suggested Treble Setting
0
N/A
Slope
-0.09
-0.69
Std. Err.
2.81 dB
3.40 dB
Low-Frequency Extension
43.0 Hz
48.3 Hz
High-Frequency Extension
16.0 kHz
19.9 kHz
Stereo Soundstage
7.0
6.5
Crosstalk Error
2.99 dB
2.55 dB
Stereo Dynamics
7.5
8.2
Dynamic Range Compression
SPL @ Max Volume
95.8 dB SPL
96.1 dB SPL
DRC @ Max Volume
2.88 dB
1.35 dB
Stereo Total Harmonic Distortion
7.7
7.9
Weighted THD @ 80dB
0.45
0.39
Weighted THD @ Max Volume
1.78
1.21
Center
6.4
6.2
Center Setup
Frequency Response
Localization
Phantom
Phantom
Slope
-0.83
-1.61
Std. Err.
4.33 dB
4.05 dB
SPL @ Max Volume
95.8 dB SPL
89.1 dB SPL
Weighted THD @ 80dB
0.43
0.73
Weighted THD @ Max Volume
1.79
0.76
Surround 5.1
3.9
3.7
Surround Setup
Frequency Response
Localization
Stereo (Downmix)
Stereo (Downmix)
Slope
0.79
-1.64
Std. Err.
3.62 dB
4.10 dB
SPL @ Max Volume
88.2 dB SPL
88.9 dB SPL
Weighted THD @ 80dB
0.90
0.70
Weighted THD @ Max Volume
3.51
1.30
7.1 Rears
No
No
Height (Atmos)
0.0
0.0
Height Setup
H Frequency Response
Localization
Not Supported
Not Supported
Slope
N/A
N/A
Std. Err.
N/A
N/A
SPL @ Max Volume
N/A
N/A
Weighted THD @ 80dB
N/A
N/A
Weighted THD @ Max Volume
N/A
N/A
Sound Enhancement Features
6.8
2.7
Room Correction
No
No
Dialogue Enhancement
Yes
Yes
Auto-Volume/Night Mode
Yes
No
Subwoofer Level Adjustment
Yes
No
Bass Adjustment
Yes
No
Treble Adjustment
Yes
No
EQ
Presets
Presets
Surround Level Adjustment
No
No
Rear Level Adjustment
No
No
Height Level Adjustment
No
No
Virtual Surround
Yes
No
Connectivity
Inputs/Outputs - Bar
Physical Connections Bar Photo 1
Physical Connections Bar Photo 2
Optical Audio In
1
1
HDMI Out
ARC
ARC
HDMI 2.1 Class Bandwidth
No
No
Full HDMI In
No
No
Analog Audio In 3.5mm (Aux)
1
1
RCA In
No
No
USB for Files
1
1
Ethernet
No
No
Subwoofer Output
No
No
Audio Format Support: ARC/eARC
6.3
4.8
Dolby Atmos
Not Supported
Not Supported
Dolby Digital
Supported
Supported
Dolby Digital Plus
Not Supported
Not Supported
Dolby TrueHD
Not Supported
Not Supported
DTS
Supported
Not Supported
DTS:X
Not Supported
Not Supported
DTS-HD MA
Not Supported
Not Supported
PCM Channels
2.0
2.0
Audio Format Support: HDMI In
0.0
0.0
Dolby Atmos
Not Supported
Not Supported
Dolby Digital
Not Supported
Not Supported
Dolby Digital Plus
Not Supported
Not Supported
Dolby TrueHD
Not Supported
Not Supported
DTS
Not Supported
Not Supported
DTS:X
Not Supported
Not Supported
DTS-HD MA
Not Supported
Not Supported
PCM Channels
Not Supported
Not Supported
Audio Format Support: Optical
10
6.5
Dolby Digital
Supported
Supported
DTS
Supported
Not Supported
PCM Channels
2.0
2.0
Latency
8.1
8.3
Latency Video
ARC
59 ms
37 ms
Optical
52 ms
69 ms
Full HDMI In
N/A
N/A
Video Passthrough To TV
0.0
0.0
1080p Max Refresh Rate
Not Supported
Not Supported
1080p @ 4:4:4 Max Refresh Rate
Not Supported
Not Supported
4k Max Refresh Rate
Not Supported
Not Supported
4k @ 120Hz @ 10-Bit
Not Supported
Not Supported
4k @ 4:4:4 Max Refresh Rate
Not Supported
Not Supported
8k Max Refresh Rate
Not Supported
Not Supported
HDR10 Passthrough
No
No
HDR10+ Passthrough
No
No
Dolby Vision Passthrough
No
No
HDMI Forum VRR Passthrough
No
No
FreeSync Passthrough
No
No
G-SYNC Passthrough
No
No
ALLM Passthrough
No
No
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
No
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
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Vizio V Series V21-H8
TCL Alto 6+
Comments
Vizio V Series V21-H8 vs TCL Alto 6+: Main Discussion
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