VIZIO SB2821-D6 vs Polk Audio SIGNA S2 review

Votes 1 1
Rating 5 5
VIZIO SB2821-D6
vs
Polk Audio SIGNA S2

VIZIO SB2821-D6 vs Polk Audio SIGNA S2 comparison definitely makes sense. Based on our rating, SB2821-D6 has a total rating of 4.4 out of 10 versus 5 for SIGNA S2. The competitors' control buttons are different: power, input, Bluetooth, volume down, volume up and power, volume down, volume up, source, Bluetooth, respectively.

Audio features

Both soundbars have active amplification type. Soundbars have the same number of channels on 2.1. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. Both models received our 6 rating of 10 for their 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 SB2821-D6 received a rating of 5/10 versus 6/10, 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. For multichannel surround VIZIO SB2821-D6 got a rating of 2, and Polk Audio SIGNA S2 4 out of 10.

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Common

Product

VIZIO SB2821-D6
Polk Audio SIGNA S2

Model

SB2821-D6
SIGNA S2

Brand

VIZIO
Polk Audio

Reviews

921
754

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, 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

wired, wireless
wireless

Subwoofer

Built-in subwoofer

Separate subwoofer (in package)

1
1

Separate subwoofer connections

wireless
wireless

Streaming services

Apple Music (AirPlay)

AirPlay

Google Play Music

Amazon Music

Spotify

Other streaming services

TIDAL, VIZIO SmartCast, Chromecast
has not

Connectivity

WI-FI

Bluetooth

Ethernet (RJ45)

0
0

NFC

HDMI input/output

0/0
1/0

HDMI ARC

Optical digital input/output

1/0
1/0

USB

1 (USB 2.0)

Coaxial digital input/output

1/0
0/0

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 Digital

Dolby Pro Logic II

DTS:X

DTS Virtual:X

User manual

Manual

Dimensions

Size (Wx H x D), cm/in

28 x 3 x 3/71.1 x 7.6 x 7.6
89.9 x 5.4 x 8.1/35.4 x 2.1 x 3.2

Weight, kg/pounds

1.3/3.8
VIZIO SB2821-D6
Polk Audio SIGNA S2
VIZIO SB2821-D6
Polk Audio SIGNA S2

Soundbars SoundStrokes Art comparison rating

  • better
  • worse
  • 4.4
  • 5
  • 4.4VIZIO SB2821-D6
  • 5Polk Audio SIGNA S2

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