VIZIO SB3821-C6 vs Vizio V21-H8 review

Votes 2 2
Rating 5 5

VIZIO SB3821-C6 vs Vizio V21-H8 comparison chart

VIZIO SB3821-C6 vs Vizio V21-H8 review

VIZIO SB3821-C6
vs
Vizio V21-H8

I had a chance to test and compare two models: VIZIO SB3821-C6 vs Vizio V21-H8 and this review should help people who are looking for a good soundbar. The VIZIO SB3821-C6 was rated 4.5, while the Vizio V21-H8 has a rating 5.5. The soundbars are equipped with a different number of buttons, power, input, Bluetooth, volume down, volume up for the SB3821-C6 and power, volume down, volume up, source, Bluetooth for the V21-H8.

Audio features

Each of the models under consideration has active amplification type. By the number of channels, the devices do not differ. The built-in subwoofer is not implemented in any of these models. An external subwoofer connects to the SB3821-C6 via wireless, but V21-H8 has wired and wireless connection type. Rate 5 out of 10 received the VIZIO SB3821-C6 for audio features and specs, but the Vizio V21-H8 received 6 out of 10.

Streaming services

Soundbars do not have AirPlay support. The units in this comparison do not support Spotify.

Connectivity

Both models do not have a wireless Wi-Fi interface. Soundbars from this comparison have Bluetooth support. The HDMI Audio Return Channel (ARC) is implemented only in the V21-H8. Connecting devices via USB is possible in both models. The connectivity of each of the models was estimated at 6/10. The manufacturer of the V21-H8 provides a device control application. The Vizio V21-H8 equipped with a microphone. The models under consideration cannot become part of a multiroom system.

Multichannel surround

Dolby Atmos audio decoder support is not implemented in either the SB3821-C6 or V21-H8. Devices from this comparison cannot process surround sound due to lack of DTS:X. The same score of 5/10 was put to the soundbars for multichannel surround support.

Advantages Vizio V21-H8 over VIZIO SB3821-C6

  • Audio return channel (HDMI ARC) support
  • App control
  • Microphone
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Common

Product

VIZIO SB3821-C6
Vizio V21-H8

Model

SB3821-C6
V21-H8

Brand

VIZIO
Vizio

Reviews

6692
21

General

Placement type

table-top, wall-mountable
table-top, wall-mountable

Connection to source

wired, wireless
wired, wireless

Soundbar buttons

power, input, Bluetooth, volume down, volume up
power, volume down, volume up, source, Bluetooth

Audio features

Built-in channels

2.1
2.1

Amplification type

active
active

Output power, W

Separate speaker (in package)

0
0

Separate speaker connections

has not
wired, wireless

Subwoofer

Built-in subwoofer

Separate subwoofer (in package)

Separate subwoofer connections

wireless
wired, wireless

Streaming services

Apple Music (AirPlay)

Amazon Music

Spotify

Other streaming services

has not
has not

Connectivity

WI-FI

Bluetooth

Ethernet (RJ45)

0
0

NFC

HDMI input/output

0/0
0/1

HDMI ARC

HDMI eARC

HDMI CEC

Optical digital input/output

1/0
1/0

USB

1 (USB 2.0)
1 (USB 2.0)

Coaxial digital input/output

1/0
0/0

Analog audio input/output (RCA)

1/0
1/0

Headphone output

0
0

Subwoofer output

0
0

Features

Voice control

Amazon Alexa, Google Assistant, Siri

App control

Microphone

Remote control

Multi-room

Multichannel surround

Dolby Atmos

Dolby (other)

Dolby Digital
Dolby Digital

DTS:X

DTS (other)

DTS TruSurround
DTS Virtual:X

User manual

Manual

Dimensions

Size (Wx H x D), cm/in

96.5 x 7.6 x 7.6/38 x 3 x 3
100 x 27.4 x 37.6/39 x 11 x 15

Weight, kg/pounds

2.6/5.8
2/5

Other

Release year

2015
2020
VIZIO SB3821-C6
Vizio V21-H8
VIZIO SB3821-C6
Vizio V21-H8

Soundbars SoundStrokes Art comparison rating

  • better
  • worse
  • 4.5
  • 5.5
  • 4.5VIZIO SB3821-C6
  • 5.5Vizio V21-H8

VIZIO SB3821-C6 competitors

Vizio V21-H8 competitors