VIZIO SB2821-D6 vs VIZIO SB4451-C0 review

Votes 1 1
Rating 5 5

VIZIO SB2821-D6 vs VIZIO SB4451-C0 comparison chart

Overall
VIZIO SB2821-D6
4.8
VIZIO SB4451-C0
7.2
4
5

VIZIO SB2821-D6 vs VIZIO SB4451-C0 review

VIZIO SB2821-D6
vs
VIZIO SB4451-C0

l would like to share my experience after comparing and testing two soundbars – VIZIO SB2821-D6 vs VIZIO SB4451-C0. The VIZIO SB2821-D6 was rated 4.8, while the VIZIO SB4451-C0 has a rating 7.2. Soundbars have the same set of buttons - power, input, Bluetooth, volume down, volume up.

Audio features

Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that SB2821-D6 has 2.1 and SB4451-C0 has 5.1. The built-in subwoofer is not implemented in any of these models. An external subwoofer can be connected to any of the units in this comparison. Rate 6 out of 10 received the VIZIO SB2821-D6 for audio features and specs, but the VIZIO SB4451-C0 received 8 out of 10. The SB4451-C0 can play audio from Spotify.

Connectivity

Wireless Internet connection is realized only in the SB4451-C0. Soundbars from this comparison have Bluetooth support. The HDMI Audio Return Channel (ARC) is implemented only in the SB4451-C0. Connecting devices via USB is possible in both models. We rated the connectivity of the SB2821-D6 at 4 out of 10, while the SB4451-C0 was rated 8/10.

Features

The manufacturer of the SB4451-C0 provides a device control application. Soundbars in this review are not equipped with a microphone. The VIZIO SB4451-C0 may become part of a multiroom system.

Multichannel surround

Dolby Atmos audio decoder support is not implemented in either the SB2821-D6 or SB4451-C0. Devices from this comparison cannot process surround sound due to lack of DTS:X. The SB2821-D6 was rated 5/10, while the SB4451-C0 received a mark of 4/10 for multichannel surround.

Advantages VIZIO SB4451-C0 over VIZIO SB2821-D6

  • Amazon Music compatible
  • Spotify support
  • WI-FI enabled
  • Audio return channel (HDMI ARC) support
  • App control
  • Multi-room support
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Common

Product

VIZIO SB2821-D6
VIZIO SB4451-C0

Model

SB2821-D6
SB4451-C0

Brand

VIZIO
VIZIO

Reviews

2005
123

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
5.1

Amplification type

active
active

Output power, W

Separate speaker (in package)

0
2

Separate speaker connections

wired, wireless
wireless

Subwoofer

Built-in subwoofer

Separate subwoofer (in package)

Separate subwoofer connections

wireless
wireless

Streaming services

Apple Music (AirPlay)

AirPlay

Amazon Music

Spotify

Other streaming services

TIDAL, VIZIO SmartCast, Chromecast
VIZIO SmartCast

Connectivity

WI-FI

Bluetooth

Ethernet (RJ45)

0
1

NFC

HDMI input/output

0/0
1/0

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
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
111.7 x 7.6 x 7.6/44 x 3 x 3

Weight, kg/pounds

1.3/3.8
4.5/10.8

Other

Release year

2016
2016
VIZIO SB2821-D6
VIZIO SB4451-C0
VIZIO SB2821-D6
VIZIO SB4451-C0

Soundbars SoundStrokes Art comparison rating

  • better
  • worse
  • 4.8
  • 7.2
  • 4.8VIZIO SB2821-D6
  • 7.2VIZIO SB4451-C0