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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. Center
    6. Surround 5.1
    7. Height (Atmos)
    8. 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

Vizio V Series V51-H6 vs Vizio V Series V51x-J6

Side-by-Side Comparison

Products

Vizio V Series V51-H6
Vizio V Series V51x-J6

Tested using Methodology v1.3

Updated Oct 24, 2024 02:30 PM

SEE PRICE
Walmart.com

Tested using Methodology v1.3

Updated Oct 24, 2024 02:30 PM

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Amazon.com
Vizio V Series V51-H6 Picture
Vizio V Series V51x-J6 Picture
Channels
5.1
Channels
5.1

Variants

  • V Series V51-H6 (Black)
  • V Series V51x-J6 (Black)

Review

See Vizio V Series V51-H6 Review
See Vizio V Series V51x-J6 Review
0 
0 

Our Verdict

Vizio V Series V51-H6

Vizio V Series V51x-J6

The Vizio V Series V51-H6 is a bit better for mixed usage than the Vizio V Series V51x-J6. The V51-H6 gets louder, and it reproduces a more extended low bass, meaning you can feel more thump and rumble in your audio.

0 

Check Price

Black
V Series V51-H6
SEE PRICE
Walmart.com
Black
V Series V51x-J6
SEE PRICE
Amazon.com
Black
V Series V51-H6
SEE PRICE
Amazon.com
Black
V Series V51x-J6
SEE PRICE
BestBuy.com
Black
V Series V51-H6
SEE PRICE
BestBuy.com
Black
V Series V51x-J6
SEE PRICE
Walmart.com
Black
V Series V51-H6
SEARCH
B&H
Black
V Series V51x-J6
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B&H

Main Differences for
Mixed Usage

Threshold 

0.10

Mixed Usage 

7.4
7.1

Stereo Frequency Response 
 

7.6
7.3

Full Comparison

Design

Style - Bar  

Style photo - bar  

Vizio V Series V51-H6 Style photo - bar
Vizio V Series V51x-J6 Style photo - bar
Show Text 

Style - Subwoofer  

Style photo - sub  

Vizio V Series V51-H6 Style photo - sub
Vizio V Series V51x-J6 Style photo - sub

Sub Wireless 
 

Yes
Yes

Enclosure 
 

Ported
Ported
Show Text 

Style - Satellites  

Style photo - satellites  

Vizio V Series V51-H6 Style photo - satellites
Vizio V Series V51x-J6 Style photo - satellites

Satellite Wireless 
 

Partial, wired to wireless sub
Partial, wired to wireless sub
Show Text 

Dimensions - Bar  

Dimensions photo - bar  

Vizio V Series V51-H6 Dimensions photo - bar
Vizio V Series V51x-J6 Dimensions photo - bar

Width  

36.0" (91.5 cm)
36.0" (91.5 cm)

Height  

2.2" (5.7 cm)
2.2" (5.7 cm)

Depth  

3.2" (8.2 cm)
3.2" (8.2 cm)
Show Text 

Dimensions - Subwoofer  

Dimensions photo - sub  

Vizio V Series V51-H6 Dimensions photo - sub
Vizio V Series V51x-J6 Dimensions photo - sub

Width  

8.3" (21.2 cm)
7.7" (19.5 cm)

Height  

9.8" (25.0 cm)
8.5" (21.5 cm)

Depth  

8.3" (21.2 cm)
7.7" (19.5 cm)
Show Text 

Dimensions - Satellites  

Dimensions photo - satellites  

Vizio V Series V51-H6 Dimensions photo - satellites
Vizio V Series V51x-J6 Dimensions photo - satellites

Width  

4.8" (12.1 cm)
4.8" (12.1 cm)

Height  

2.2" (5.7 cm)
2.2" (5.7 cm)

Depth  

3.2" (8.2 cm)
3.2" (8.2 cm)
Show Text 

Mounting 
 

Bar Mounting Holes  

Vizio V Series V51-H6 Bar Mounting Holes
Vizio V Series V51x-J6 Bar Mounting Holes

Satellite Mounting Holes  

Vizio V Series V51-H6 Satellite Mounting Holes
Vizio V Series V51x-J6 Satellite Mounting Holes

Mountable Bar 
 

Yes
Yes

Bar Brackets Included 
 

Yes
Yes

Mountable Satellites 
 

Yes
Yes

Satellite Brackets Included 
 

Yes
Yes

Build Quality 
 

7.0
7.0

Build quality photo  

Vizio V Series V51-H6 Build quality photo
Vizio V Series V51x-J6 Build quality photo
Show Text 

In The Box 
 

In The Box photo   

Vizio V Series V51-H6 In The Box photo
Vizio V Series V51x-J6 In The Box photo
Show Text 
Sound

Stereo Frequency Response 
 

7.6
7.3

Stereo Setup  

Vizio V Series V51-H6 Stereo Setup
Vizio V Series V51x-J6 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
5.1

Tested Preset 
 

Direct
Direct

Slope 
 

-0.66
-0.77

Standard Error 
 

3.28 dB
3.68 dB

Low-Frequency Extension 
 

40.0 Hz
44.3 Hz

High-Frequency Extension 
 

19.9 kHz
19.9 kHz
Show Text 

Stereo Frequency Response With Preliminary Calibration 
 

7.7
7.7

Frequency Response Calibrated  

See details on graph tool
See details on graph tool

Suggested Preset 
 

Direct
Direct

Suggested Bass Setting 
 

-3
-4

Suggested Treble Setting 
 

1
0

Slope 
 

0.07
-0.04

Standard Error 
 

2.76 dB
2.57 dB

Low-Frequency Extension 
 

43.0 Hz
43.0 Hz

High-Frequency Extension 
 

19.9 kHz
19.9 kHz
Show Text 

Stereo Soundstage 
 

7.0
7.0

Crosstalk  

See details on graph tool
See details on graph tool

Crosstalk Error 
 

2.14 dB
2.45 dB
Show Text 

Stereo Dynamics 
 

8.6
8.3

Dynamic Range Compression  

See details on graph tool
See details on graph tool

SPL @ Max Volume 
 

95.3 dB SPL
92.7 dB SPL

DRC @ 90dB 
 

0.21 dB
0.26 dB

DRC @ Max Volume 
 

0.97 dB
0.51 dB
Show Text 

Center 
 

8.1
7.8

Center Setup  

Vizio V Series V51-H6 Center Setup
Vizio V Series V51x-J6 Center Setup

Frequency Response  

See details on graph tool
See details on graph tool

Localization 
 

Discrete
Discrete

Slope 
 

-0.81
-1.13

Std. Err. 
 

3.42 dB
4.00 dB

SPL @ Max Volume 
 

91.1 dB SPL
88.8 dB SPL

Weighted THD @ 80dB 
 

0.63
0.56

Weighted THD @ Max Volume 
 

1.68
1.28
Show Text 

Surround 5.1 
 

7.0
7.0

Surround Setup  

Vizio V Series V51-H6 Surround Setup
Vizio V Series V51x-J6 Surround Setup

Frequency Response  

See details on graph tool
See details on graph tool

Localization 
 

Discrete
Discrete

Slope 
 

-1.86
-2.10

Std. Err. 
 

4.85 dB
5.09 dB

SPL @ Max Volume 
 

90.2 dB SPL
90.1 dB SPL

Weighted THD @ 80dB 
 

0.87
0.71

Weighted THD @ Max Volume 
 

2.61
1.86

7.1 Rears 
 

No
No
Show Text 

Height (Atmos) 
 

0.0
0.0

Height Setup  

Vizio V Series V51-H6 Height Setup
Vizio V Series V51x-J6 Height Setup

H Frequency Response  

Vizio V Series V51-H6 H Frequency Response
Vizio V Series V51x-J6 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
Show Text 

Sound Enhancement Features 
 

7.1
7.1

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 
 

No
No

Height Level Adjustment 
 

No
No

Virtual Surround 
 

Yes
Yes
Show Text 
Connectivity

Inputs/Outputs - Bar 
 

Physical Connections Bar Photo 1  

Vizio V Series V51-H6 Physical Connections Bar Photo 1
Vizio V Series V51x-J6 Physical Connections Bar Photo 1

Physical Connections Bar Photo 2  

Vizio V Series V51-H6 Physical Connections Bar Photo 2
Vizio V Series V51x-J6 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
Show Text 

Audio Format Support: ARC/eARC 
 

6.3
6.3

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
Supported

DTS:X 
 

Not Supported
Not Supported

DTS-HD MA 
 

Not Supported
Not Supported

PCM Channels 
 

2.0
2.0
Show Text 

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
10

Dolby Digital 
 

Supported
Supported

DTS 
 

Supported
Supported

PCM Channels 
 

2.0
2.0
Show Text 

Audio Latency: ARC 
 

7.3
7.2

ARC Latency Video  

PCM-2.0 ch 
 

N/A
N/A

PCM-5.1 ch 
 

N/A
N/A

Dolby MAT (PCM) Atmos 
 

N/A
N/A

Dolby Digital 
 

109 ms
110 ms

Dolby Digital Plus 
 

N/A
N/A

Dolby Digital Plus Atmos 
 

N/A
N/A
Show Text 

Audio Latency: HDMI In 
 

0.0
0.0

HDMI Latency Video  

PCM-2.0 ch 
 

N/A
N/A

PCM-5.1 ch 
 

N/A
N/A

Dolby MAT (PCM) Atmos 
 

N/A
N/A

Dolby Digital 
 

N/A
N/A

Dolby Digital Plus 
 

N/A
N/A

Dolby Digital Plus Atmos 
 

N/A
N/A

Audio Latency: Optical 
 

6.9
6.9

Optical Latency Video  

PCM-2.0 ch 
 

N/A
150 ms

Dolby Digital 
 

366 ms
200 ms
Show Text 

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
Show Text 

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
Show Text 
Additional Features

Interface 
 

Interface photo  

Vizio V Series V51-H6 Interface photo
Vizio V Series V51x-J6 Interface photo

Display 
 

No
No
Show Text 

Bar Controls 
 

Controls photo  

Vizio V Series V51-H6 Controls photo
Vizio V Series V51x-J6 Controls photo
Show Text 

Remote  

Remote photo  

Vizio V Series V51-H6 Remote photo
Vizio V Series V51x-J6 Remote photo
Show Text 

Voice Assistants Support 
 

Amazon Alexa 
 

No
No

Google Assistant 
 

No
No

Apple Siri 
 

No
No

Microphone Mute 
 

No
No
Show Text 

Check Price

Black
V Series V51-H6
SEE PRICE
Walmart.com
Black
V Series V51x-J6
SEE PRICE
Amazon.com
Black
V Series V51-H6
SEE PRICE
Amazon.com
Black
V Series V51x-J6
SEE PRICE
BestBuy.com
Black
V Series V51-H6
SEE PRICE
BestBuy.com
Black
V Series V51x-J6
SEE PRICE
Walmart.com
Black
V Series V51-H6
SEARCH
B&H
Black
V Series V51x-J6
SEARCH
B&H
Back to Top

Vizio V Series V51-H6

Vizio V Series V51x-J6

Comments

  1. Comparison
 • Posted 1 year ago

Vizio V Series V51-H6 vs Vizio V Series V51x-J6: Main Discussion

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