Polk Audio SIGNA S2 vs VIZIO SB2821-D6

SIGNA S2 vs SB2821-D6 comparison chart

Overall
Polk Audio SIGNA S2
5
VIZIO SB2821-D6
4.2
4
4

Polk Audio SIGNA S2 vs VIZIO SB2821-D6 review

Polk Audio SIGNA S2
vs
VIZIO SB2821-D6

The present review is aimed to compare two soundbars - Polk Audio SIGNA S2 vs VIZIO SB2821-D6 that are meant to satisfy the needs of cinema and music lovers. SIGNA S2 has a total rating of 5 out of 10 vs 4.2 out of 10 for SB2821-D6.

Advantages Polk Audio SIGNA S2 over VIZIO SB2821-D6

  • AirPlay compatible
  • Audio return channel (HDMI ARC) support

Advantages VIZIO SB2821-D6 over Polk Audio SIGNA S2

  • USB port

Common strengths

  • 2.1 built-in channels
  • Both soundbars have separate subwoofers in package
  • Bluetooth enabled
Votes 1 1
Rating 5 5
Polk Audio SIGNA S2

Jan 31, 2020

The number of soundbars on the market today is gradually becoming such that it is increasingly difficult for the user to understand the huge variety of models. And their prices range from the amount o...

Read More
VIZIO SB2821-D6

Nov 22, 2019

If you're someone that prefers a bass-heavy listening experience, the VIZIO SB2821-D6 is for you. The soundbar itself also offers a huge improvement over built-in TV speakers, upping the audio experie...

Read More
Add soundbar to comparison
We didn't find anything to show here

Common

Product

Polk Audio SIGNA S2
VIZIO SB2821-D6

Model

SIGNA S2
SB2821-D6

Brand

Polk Audio
VIZIO

Reviews

3795
1665

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, input, Bluetooth, volume down, volume up

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)

1
1

Separate subwoofer connections

wireless
wireless

Streaming services

Apple Music (AirPlay)

AirPlay

Google Play Music

Amazon Music

Spotify

Other streaming services

has not
TIDAL, VIZIO SmartCast, Chromecast

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
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

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

Weight, kg/pounds

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

Soundbars CHooseratoR comparison rating

  • better
  • worse
  • 5
  • 4.2
  • 5Polk Audio SIGNA S2
  • 4.2VIZIO SB2821-D6

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