VIZIO SB3821-C6 vs VIZIO SB2821-D6

SB3821-C6 vs SB2821-D6 comparison chart

Overall
VIZIO SB3821-C6
4.5
VIZIO SB2821-D6
4.8
5
4
Votes 2 2
Rating 4.5 4.5
VIZIO SB3821-C6

Nov 22, 2019

If for once you believed that SB3851-C0 was the best of Vizio's soundbar speaker system, then you probably have not seen the VIZIO SB3821-C6 review. Other than the room-filling sound from the wireles...

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VIZIO SB2821-D6

Nov 22, 2019

If you're someone that prefers a bass-heavy listening experience, the VIZIO SB2821-D6 is for you. The soundbar itself also offers a huge improvement over built-in TV speakers, upping the audio experie...

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Common

Product

VIZIO SB3821-C6
VIZIO SB2821-D6

Model

SB3821-C6
SB2821-D6

Brand

VIZIO
VIZIO

Reviews

8357
2005

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, input, Bluetooth, volume down, volume up

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
wireless

Streaming services

Apple Music (AirPlay)

Amazon Music

Spotify

Other streaming services

has not
TIDAL, VIZIO SmartCast, Chromecast

Connectivity

WI-FI

Bluetooth

Ethernet (RJ45)

0
0

NFC

HDMI input/output

0/0
0/0

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
1/0

Analog audio input/output (RCA)

1/0
1/0

Headphone output

0
0

Subwoofer output

0
0

Features

Voice control

App control

Microphone

Remote control

Multi-room

Multichannel surround

Dolby Atmos

Dolby (other)

Dolby Digital
Dolby Digital

DTS:X

DTS (other)

DTS TruSurround
DTS TruSurround

User manual

Manual

Dimensions

Size (Wx H x D), cm/in

96.5 x 7.6 x 7.6/38 x 3 x 3
28 x 3 x 3/71.1 x 7.6 x 7.6

Weight, kg/pounds

2.6/5.8
1.3/3.8

Other

Release year

2015
2016
VIZIO SB3821-C6
VIZIO SB2821-D6
VIZIO SB3821-C6
VIZIO SB2821-D6

Soundbars CHooseratoR comparison rating

  • better
  • worse
  • 4.5
  • 4.8
  • 4.5VIZIO SB3821-C6
  • 4.8VIZIO SB2821-D6