Polk Audio SIGNA S2 vs VIZIO SB3651-E6 review

Votes 1 1
Rating 5 5
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 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 8 for its audio features and specs.

Streaming services

Each of rivals supports AirPlay. Only the SB3651-E6 supports Google Play Music. 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 9/10, respectively.

Features

App control is available for the SB3651-E6. 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 Polk Audio SIGNA S2 got a rating of 4, and VIZIO SB3651-E6 2 out of 10.

Advantages VIZIO SB3651-E6 over Polk Audio SIGNA S2

  • Google Play Music compatible
  • Amazon Music compatible
  • Spotify support
  • WI-FI enabled
  • App control

Soundbars comparison chart

Overall
Polk Audio SIGNA S2
5
VIZIO SB3651-E6
7
4
5
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Common

Product

Polk Audio SIGNA S2
VIZIO SB3651-E6

Model

SIGNA S2
SB3651-E6

Brand

Polk Audio
VIZIO

Reviews

3428
322

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)

1
1

Separate subwoofer connections

wireless
wireless

Streaming services

Apple Music (AirPlay)

AirPlay
AirPlay

Google Play Music

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

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
91.4 x 5 x 7.6/36 x 2.1 x 3.2

Weight, kg/pounds

1.8/4.6
Polk Audio SIGNA S2
VIZIO SB3651-E6
Polk Audio SIGNA S2
VIZIO SB3651-E6

Soundbars SoundStrokes Art comparison rating

  • better
  • worse
  • 5
  • 7
  • 5Polk Audio SIGNA S2
  • 7VIZIO SB3651-E6

The VIZIO SB3651-E6 is better soundbar in this comparison. Check VIZIO SB3651-E6 price