Polk Audio SIGNA S2 vs ZVOX SB380 review

Votes 2 2
Rating 3.5 3.5
Polk Audio SIGNA S2
vs
ZVOX SB380

If you have already decided that you want to buy a new soundbar, but still don’t know what exactly you want, the Polk Audio SIGNA S2 vs ZVOX SB380 comparison is here to offer you two decent solutions. The Polk Audio SIGNA S2 was rated 5, while the ZVOX SB380 has a rating 4. The soundbars are equipped with a different number of buttons, power, volume down, volume up, source, Bluetooth for the SIGNA S2 and power, volume down, volume up, input for the SB380.

Audio features

Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that SIGNA S2 has 2.1 and SB380 has 3.1. A built-in subwoofer is available only in the ZVOX SB380. Audio features and specs of considered models we rated 6 out of 10 in our ranking. Both devices do not have Google Play Music on board. The units in this comparison do not support Spotify.

Connectivity

Both models do not have a wireless Wi-Fi interface. Bluetooth support integrated in the SIGNA S2. The HDMI Audio Return Channel (ARC) is implemented only in the SIGNA S2. Connecting devices via USB is not possible in both models. We rated the connectivity of the SIGNA S2 at 6 out of 10, while the SB380 was rated 4/10.

Features

None of these soundbars can be controlled using the app. Soundbars in this review are not equipped with a microphone. The models under consideration cannot become part of a multiroom system.

Multichannel surround

Dolby Atmos audio decoder support is not implemented in either the SIGNA S2 or SB380. Devices from this comparison cannot process surround sound due to lack of DTS:X. DTS Virtual:X technology not supported by any of the soundbars in this review. The SIGNA S2 was rated 4/10, while the SB380 received a mark of 2/10 for multichannel surround.

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Common

Product

Polk Audio SIGNA S2
ZVOX SB380

Model

SIGNA S2
SB380

Brand

Polk Audio
ZVOX

Reviews

1839
325

General

Placement type

table-top, wall-mountable
table-top, wall-mountable

Connection to source

wired, wireless
wired

Soundbar buttons

power, volume down, volume up, source, Bluetooth
power, volume down, volume up, input

Audio features

Built-in channels

2.1
3.1

Amplification type

active
active

Output power, W

45

Separate speaker (in package)

0
0

Separate speaker connections

wireless

Subwoofer

Built-in subwoofer

Separate subwoofer (in package)

1
0

Separate subwoofer connections

wireless
has not

Streaming services

Apple Music (AirPlay)

AirPlay

Google Play Music

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

Optical digital input/output

1/0
2/0

USB

Coaxial digital input/output

0/0
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

89.9 x 5.4 x 8.1/35.4 x 2.1 x 3.2
88.9 x 12.7 x 7.6/35.5 x 5.7 x 3.3

Weight, kg/pounds

4/9.8
Polk Audio SIGNA S2
ZVOX SB380
Polk Audio SIGNA S2
ZVOX SB380

Soundbars SoundStrokes Art comparison rating

  • better
  • worse
  • 5
  • 4
  • 5Polk Audio SIGNA S2
  • 4ZVOX SB380

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