Polk Audio SIGNA S2 vs VIZIO SB3651-E6 review

Votes 1 1
Rating 5 5

Polk Audio SIGNA S2 vs VIZIO SB3651-E6 comparison chart

Overall
Polk Audio SIGNA S2
5
VIZIO SB3651-E6
7.6
4
8

Polk Audio SIGNA S2 vs VIZIO SB3651-E6 review

Polk Audio SIGNA S2
vs
VIZIO SB3651-E6

The Polk Audio SIGNA S2 vs VIZIO SB3651-E6 comparison proves that these soundbars have many common features. Based on our rating, SIGNA S2 has a total rating of 5 out of 10 versus 7.6 for SB3651-E6. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth and power, input, Bluetooth, volume down, volume up, 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 5.1 for the VIZIO SB3651-E6. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Polk Audio SIGNA S2 got our rating of 6 out of 10, and the VIZIO SB3651-E6 7 for its audio features and specs.

Streaming services

Each of rivals supports AirPlay. Spotify support is available on the SB3651-E6.

Connectivity

Only the VIZIO SB3651-E6 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Each soundbar has 1/0 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. For connectivity, the SIGNA S2 received a rating of 6/10 versus 8/10, respectively. App control is available for the SB3651-E6. A built-in microphone is present only on the SB3651-E6. 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. For multichannel surround, each of the opponents received 4 points out of 10.

Advantages VIZIO SB3651-E6 over Polk Audio SIGNA S2

  • Amazon Music compatible
  • Spotify support
  • WI-FI enabled
  • App control
  • Microphone
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Common

Product

Polk Audio SIGNA S2
VIZIO SB3651-E6

Model

SIGNA S2
SB3651-E6

Brand

Polk Audio
VIZIO

Reviews

6669
419

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
5.1

Amplification type

active
active

Output power, W

Separate speaker (in package)

0
2

Separate speaker connections

wireless
wired

Subwoofer

Built-in subwoofer

Separate subwoofer (in package)

Separate subwoofer connections

wireless
wireless

Streaming services

Apple Music (AirPlay)

AirPlay
AirPlay

Amazon Music

Spotify

Other streaming services

has not
Pandora, Tuneln, Deezer, Chromecast

Connectivity

WI-FI

Bluetooth

Ethernet (RJ45)

0
1

NFC

HDMI input/output

1/0
1/0

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

Google Assistant

App control

Microphone

Remote control

Multi-room

Multichannel surround

Dolby Atmos

Dolby (other)

Dolby Digital
Dolby Digital

DTS:X

DTS (other)

has not
has not

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
91.4 x 5 x 7.6/36 x 2.1 x 3.2

Weight, kg/pounds

1.8/4.6

Other

Release year

2018
2017
Polk Audio SIGNA S2
VIZIO SB3651-E6
Polk Audio SIGNA S2
VIZIO SB3651-E6

Soundbars SoundStrokes Art comparison rating

  • better
  • worse
  • 5
  • 7.6
  • 5Polk Audio SIGNA S2
  • 7.6VIZIO SB3651-E6

Polk Audio SIGNA S2 competitors

VIZIO SB3651-E6 competitors