Polk Audio SIGNA S2 vs VIZIO SB3821-C6

SIGNA S2 vs SB3821-C6 comparison chart

Overall
Polk Audio SIGNA S2
5
VIZIO SB3821-C6
4.5
4
5
Votes 3 3
Rating 3 3
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...

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VIZIO SB3821-C6

Nov 22, 2019

If for once you believed that SB3851-C0 was the best of Vizio's soundbar speaker system, then you probably have not seen the VIZIO SB3821-C6 review. Other than the room-filling sound from the wireles...

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Common

Product

Polk Audio SIGNA S2
VIZIO SB3821-C6

Model

SIGNA S2
SB3821-C6

Brand

Polk Audio
VIZIO

Reviews

6669
8357

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
has not

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
has not

Connectivity

WI-FI

Bluetooth

Ethernet (RJ45)

0
0

NFC

HDMI input/output

1/0
0/0

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
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 (other)

Dolby Digital
Dolby Digital

DTS:X

DTS (other)

has not
DTS TruSurround

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
96.5 x 7.6 x 7.6/38 x 3 x 3

Weight, kg/pounds

2.6/5.8

Other

Release year

2018
2015
Polk Audio SIGNA S2
VIZIO SB3821-C6
Polk Audio SIGNA S2
VIZIO SB3821-C6

Soundbars CHooseratoR comparison rating

  • better
  • worse
  • 5
  • 4.5
  • 5Polk Audio SIGNA S2
  • 4.5VIZIO SB3821-C6

Polk Audio SIGNA S2 competitors

VIZIO SB3821-C6 competitors