Polk Audio Command Bar vs VIZIO SB4451-C0 review

Votes 1 1
Rating 5 5

Polk Audio Command Bar vs VIZIO SB4451-C0 comparison chart

Overall
Polk Audio Command Bar
6.6
VIZIO SB4451-C0
7.2
10
5

Polk Audio Command Bar vs VIZIO SB4451-C0 review

Polk Audio Command Bar
vs
VIZIO SB4451-C0

l would like to share my experience after comparing and testing two soundbars – Polk Audio Command Bar vs VIZIO SB4451-C0. The Polk Audio Command Bar was rated 6.6, while the VIZIO SB4451-C0 has a rating 7.2. The soundbars are equipped with a different number of buttons, volume down, volume up, microphone, action for the Command Bar and power, input, Bluetooth, volume down, volume up for the SB4451-C0.

Audio features

Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that Command Bar 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 Polk Audio Command Bar for audio features and specs, but the VIZIO SB4451-C0 received 8 out of 10. Each of the competitors can play content from Spotify.

Connectivity

Wireless Internet connection is realized only in the SB4451-C0. Soundbars from this comparison have Bluetooth support. There are 1/1 HDMI inputs/outputs in the Polk Audio Command Bar versus 1/0 HDMIs in the VIZIO SB4451-C0. As in the Command Bar, so in the SB4451-C0 there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the Command Bar at 7 out of 10, while the SB4451-C0 was rated 8/10. The manufacturer of the SB4451-C0 provides a device control application. The Polk Audio Command Bar equipped with a microphone. The models under consideration can become part of a multiroom system.

Multichannel surround

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

Advantages Polk Audio Command Bar over VIZIO SB4451-C0

  • Microphone

Advantages VIZIO SB4451-C0 over Polk Audio Command Bar

  • Amazon Music compatible
  • WI-FI enabled
  • App control
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Common

Product

Polk Audio Command Bar
VIZIO SB4451-C0

Model

Command Bar
SB4451-C0

Brand

Polk Audio
VIZIO

Reviews

1506
123

General

Placement type

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

Connection to source

wired, wireless
wired, wireless

Soundbar buttons

volume down, volume up, microphone, action
power, input, Bluetooth, volume down, volume up

Audio features

Built-in channels

2.1
5.1

Amplification type

active
active

Output power, W

160 (overall)

Separate speaker (in package)

0
2

Separate speaker connections

has not
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

has not
VIZIO SmartCast

Connectivity

WI-FI

Bluetooth

Ethernet (RJ45)

0
1

NFC

HDMI input/output

1/1
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

0/0
1/0

Analog audio input/output (RCA)

0/0
1/0

Headphone output

0
0

Subwoofer output

0
0

Features

Voice control

Amazon Alexa

App control

Microphone

Remote control

Multi-room

Multichannel surround

Dolby Atmos

Dolby (other)

Dolby Digital
Dolby Digital

DTS:X

DTS (other)

DTS Digital Surround
has not

User manual

Manual

Dimensions

Size (Wx H x D), cm/in

110 x 5 x 10.1/43.3 x 2.1 x 4.1
111.7 x 7.6 x 7.6/44 x 3 x 3

Weight, kg/pounds

1.8/4.9
4.5/10.8

Other

Release year

2018
2016
Polk Audio Command Bar
VIZIO SB4451-C0
Polk Audio Command Bar
VIZIO SB4451-C0

Soundbars SoundStrokes Art comparison rating

  • better
  • worse
  • 6.6
  • 7.2
  • 6.6Polk Audio Command Bar
  • 7.2VIZIO SB4451-C0