VIZIO SB2821-D6 vs VIZIO SB3621n-F8M

SB2821-D6 vs SB3621n-F8M comparison chart

Overall
VIZIO SB2821-D6
4.8
VIZIO SB3621n-F8M
4.6
4
4
Votes 1 1
Rating 5 5
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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VIZIO SB3621n-F8M

Nov 22, 2019

The Sound Bar system packs a punch with a wireless subwoofer and integrated Dolby and DTS audio technologies, delivering a room filling audio experience with deep thumping bass—all in a sophist...

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Common

Product

VIZIO SB2821-D6
VIZIO SB3621n-F8M

Model

SB2821-D6
SB3621n-F8M

Brand

VIZIO
VIZIO

Reviews

2005
639

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

wired, wireless
has not

Subwoofer

Built-in subwoofer

Separate subwoofer (in package)

Separate subwoofer connections

wireless
wireless

Streaming services

Apple Music (AirPlay)

Amazon Music

Spotify

Other streaming services

TIDAL, VIZIO SmartCast, Chromecast
VIZIO SmartCast

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)

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
has not

User manual

Manual

Dimensions

Size (Wx H x D), cm/in

28 x 3 x 3/71.1 x 7.6 x 7.6
91.4 x 5.1 x 7.6/36 x 2.1 x 3.2

Weight, kg/pounds

1.3/3.8
2.9/4.4

Other

Release year

2016
2018
VIZIO SB2821-D6
VIZIO SB3621n-F8M
VIZIO SB2821-D6
VIZIO SB3621n-F8M

Soundbars CHooseratoR comparison rating

  • better
  • worse
  • 4.8
  • 4.6
  • 4.8VIZIO SB2821-D6
  • 4.6VIZIO SB3621n-F8M