Polk Audio SIGNA S2 vs Vizio V21-H8 review

Votes 1 1
Rating 5 5

Polk Audio SIGNA S2 vs Vizio V21-H8 comparison chart

Overall
Polk Audio SIGNA S2
5
Vizio V21-H8
5.5
4
8

Polk Audio SIGNA S2 vs Vizio V21-H8 review

Polk Audio SIGNA S2
vs
Vizio V21-H8

I had a chance to test and compare two models: Polk Audio SIGNA S2 vs Vizio V21-H8 and this review should help people who are looking for a good soundbar. The Polk Audio SIGNA S2 was rated 5, while the Vizio V21-H8 has a rating 5.5. Soundbars have the same set of buttons - power, volume down, volume up, source, Bluetooth.

Audio features

Each of the models under consideration has active amplification type. By the number of channels, the devices do not differ. The built-in subwoofer is not implemented in any of these models. An external subwoofer connects to the SIGNA S2 via wireless, but V21-H8 has wired and wireless connection type. Audio features and specs of considered models we rated 6 out of 10 in our ranking. 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. There are 1/0 HDMI inputs/outputs in the Polk Audio SIGNA S2 versus 0/1 HDMIs in the Vizio V21-H8. As in the SIGNA S2, so in the V21-H8 there is the HDMI Audio Return Channel (ARC). The connectivity of each of the models was estimated at 6/10. The manufacturer of the V21-H8 provides a device control application. The Vizio V21-H8 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 SIGNA S2 or V21-H8. Devices from this comparison cannot process surround sound due to lack of DTS:X. The SIGNA S2 was rated 4/10, while the V21-H8 received a mark of 5/10 for multichannel surround.

Advantages Vizio V21-H8 over Polk Audio SIGNA S2

  • App control
  • Microphone
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Common

Product

Polk Audio SIGNA S2
Vizio V21-H8

Model

SIGNA S2
V21-H8

Brand

Polk Audio
Vizio

Reviews

5209
14

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, source, Bluetooth
power, volume down, volume up, source, Bluetooth

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

wireless
wired, wireless

Subwoofer

Built-in subwoofer

Separate subwoofer (in package)

Separate subwoofer connections

wireless
wired, wireless

Streaming services

Apple Music (AirPlay)

AirPlay

Amazon Music

Spotify

Other streaming services

has not
has not

Connectivity

WI-FI

Bluetooth

Ethernet (RJ45)

0
0

NFC

HDMI input/output

1/0
0/1

HDMI ARC

HDMI eARC

HDMI CEC

Optical digital input/output

1/0
1/0

USB

1 (USB 2.0)

Coaxial digital input/output

0/0
0/0

Analog audio input/output (RCA)

1/0
1/0

Headphone output

0
0

Subwoofer output

0
0

Features

Voice control

Amazon Alexa, Google Assistant, Siri

App control

Microphone

Remote control

Multi-room

Multichannel surround

Dolby Atmos

Dolby (other)

Dolby Digital
Dolby Digital

DTS:X

DTS (other)

has not
DTS Virtual:X

User manual

Manual

Dimensions

Size (Wx H x D), cm/in

89.9 x 5.4 x 8.1/35.4 x 2.1 x 3.2
100 x 27.4 x 37.6/39 x 11 x 15

Weight, kg/pounds

2/5

Other

Release year

2018
2020
Polk Audio SIGNA S2
Vizio V21-H8
Polk Audio SIGNA S2
Vizio V21-H8

Soundbars SoundStrokes Art comparison rating

  • better
  • worse
  • 5
  • 5.5
  • 5Polk Audio SIGNA S2
  • 5.5Vizio V21-H8

The Vizio V21-H8 is better soundbar in this comparison. Check Vizio V21-H8 price

Polk Audio SIGNA S2 competitors

Vizio V21-H8 competitors