Polk Audio SIGNA S2 vs VIZIO SB2920-C6 review

Votes 1 1
Rating 5 5
Polk Audio SIGNA S2
vs
VIZIO SB2920-C6

It makes sense comparing Polk Audio SIGNA S2 vs VIZIO SB2920-C6 because they both are able to give some premium features. Based on our rating, SIGNA S2 has a total rating of 5 out of 10 versus 4 for SB2920-C6. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth and power, volume down, volume up, input, Bluetooth, respectively.

Audio features

Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Polk Audio SIGNA S2 has 2.1 versus 2.0 for the VIZIO SB2920-C6. Competitors do not have a built-in subwoofer. The SIGNA S2 has a wireless connection to separate subwoofer, and the SB2920-C6 - wired. The Polk Audio SIGNA S2 got our rating of 6 out of 10, and the VIZIO SB2920-C6 5 for its audio features and specs. Both models do not support Google Play Music. Spotify support not implemented in both soundbars.

Connectivity

Both models do not have WI-FI support. Rivals from our review have Bluetooth support. Only the SIGNA S2 supports HDMI Audio Return Channel (ARC). For connectivity, the SIGNA S2 received a rating of 6/10 versus 5/10, respectively.

Features

Compared soundbars have no app control. None of the models under consideration have a built-in microphone. Soundbars do not have Multi-room support.

Multichannel surround

None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. Compared devices do not have DTS Virtual:X support.

Advantages Polk Audio SIGNA S2 over VIZIO SB2920-C6

  • Audio return channel (HDMI ARC) support

Soundbars comparison chart

Overall
Polk Audio SIGNA S2
5
VIZIO SB2920-C6
4
4
4
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Common

Product

Polk Audio SIGNA S2
VIZIO SB2920-C6

Model

SIGNA S2
SB2920-C6

Brand

Polk Audio
VIZIO

Reviews

3428
5350

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, input, Bluetooth

Audio features

Built-in channels

2.1
2.0

Amplification type

active
active

Output power, W

Separate speaker (in package)

0
0

Separate speaker connections

wireless

Subwoofer

Built-in subwoofer

Separate subwoofer (in package)

1
0

Separate subwoofer connections

wireless
wired

Streaming services

Apple Music (AirPlay)

AirPlay

Google Play Music

Amazon Music

Spotify

Other streaming services

has not
has not

Connectivity

WI-FI

Bluetooth

Ethernet (RJ45)

0
0

NFC

HDMI input/output

1/0
0/0

HDMI ARC

Optical digital input/output

1/0
1/0

USB

1 (USB 2.0)

Coaxial digital input/output

0/0
1/0

Analog audio input/output (RCA)

1/0
2/0

Headphone output

0
0

Subwoofer output

0
1

Features

Voice control

App control

Microphone

Remote control

Multi-room

Multichannel surround

Dolby Atmos

Dolby Digital

Dolby Pro Logic II

DTS:X

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
73 x 7.6 x 7.6/29 x 3 x 3

Weight, kg/pounds

2/4.5
Polk Audio SIGNA S2
VIZIO SB2920-C6
Polk Audio SIGNA S2
VIZIO SB2920-C6

Soundbars SoundStrokes Art comparison rating

  • better
  • worse
  • 5
  • 4
  • 5Polk Audio SIGNA S2
  • 4VIZIO SB2920-C6

The Polk Audio SIGNA S2 is better soundbar in this comparison. Check Polk Audio SIGNA S2 price