VIZIO SB2920-C6 vs VIZIO SB3821-C6 review

Votes 1 1
Rating 5 5
VIZIO SB2920-C6
vs
VIZIO SB3821-C6

l would like to share my experience after comparing and testing two soundbars – VIZIO SB2920-C6 vs VIZIO SB3821-C6. The VIZIO SB2920-C6 was rated 4, while the VIZIO SB3821-C6 has a rating 4.5. The soundbars are equipped with a different number of buttons, power, volume down, volume up, input, Bluetooth for the SB2920-C6 and power, input, Bluetooth, volume down, volume up for the SB3821-C6.

Audio features

Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that SB2920-C6 has 2.0 and SB3821-C6 has 2.1. The built-in subwoofer is not implemented in any of these models. An external subwoofer connects to the SB2920-C6 via wired, but SB3821-C6 has wireless connection type. Audio features and specs of considered models we rated 5 out of 10 in our ranking.

Streaming services

Soundbars do not have AirPlay support. Both devices do not have Google Play Music on board. 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. Neither the SB2920-C6 nor SB3821-C6 has the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the SB2920-C6 at 5 out of 10, while the SB3821-C6 was rated 6/10.

Features

None of these soundbars can be controlled using the app. Soundbars in this review are not 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 SB2920-C6 or SB3821-C6. Devices from this comparison cannot process surround sound due to lack of DTS:X. DTS Virtual:X technology not supported by any of the soundbars in this review.

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Common

Product

VIZIO SB2920-C6
VIZIO SB3821-C6

Model

SB2920-C6
SB3821-C6

Brand

VIZIO
VIZIO

Reviews

3157
4009

General

Placement type

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

Connection to source

wired, wireless
wired, wireless

Soundbar buttons

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

Audio features

Built-in channels

2.0
2.1

Amplification type

active
active

Output power, W

Separate speaker (in package)

0
0

Separate speaker connections

Subwoofer

Built-in subwoofer

Separate subwoofer (in package)

0
1

Separate subwoofer connections

wired
wireless

Streaming services

Apple Music (AirPlay)

Google Play Music

Amazon Music

Spotify

Other streaming services

has not
has not

Connectivity

WI-FI

Bluetooth

Ethernet (RJ45)

0
0

NFC

HDMI input/output

0/0
0/0

HDMI ARC

Optical digital input/output

1/0
1/0

USB

1 (USB 2.0)
1 (USB 2.0)

Coaxial digital input/output

1/0
1/0

Analog audio input/output (RCA)

2/0
1/0

Headphone output

0
0

Subwoofer output

1
0

Features

Voice control

App control

Microphone

Remote control

Multi-room

Multichannel surround

Dolby Atmos

Dolby Digital

Dolby Pro Logic II

DTS:X

DTS Virtual:X

User manual

Manual

Dimensions

Size (Wx H x D), cm/in

73 x 7.6 x 7.6/29 x 3 x 3
96.5 x 7.6 x 7.6/38 x 3 x 3

Weight, kg/pounds

2/4.5
2.6/5.8
VIZIO SB2920-C6
VIZIO SB3821-C6
VIZIO SB2920-C6
VIZIO SB3821-C6

Soundbars SoundStrokes Art comparison rating

  • better
  • worse
  • 4
  • 4.5
  • 4VIZIO SB2920-C6
  • 4.5VIZIO SB3821-C6

The VIZIO SB3821-C6 is better soundbar in this comparison. Check VIZIO SB3821-C6 price