LG SP7R vs Polk Audio Signa S4 review

Votes 1 1
Rating 5 5

LG SP7R vs Polk Audio Signa S4 comparison chart

LG SP7R vs Polk Audio Signa S4 review

LG SP7R
vs
Polk Audio Signa S4

If you have already decided that you want to buy a new soundbar, but still don’t know what exactly you want, the LG SP7R vs Polk Audio Signa S4 comparison is here to offer you two decent solutions. The LG SP7R was rated 5, while the Polk Audio Signa S4 has a rating 7.8. Soundbars have the same set of buttons - power, source, demo, volume down, volume up.

Audio features

Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that SP7R has 7.1 and Signa S4 has 3.1.2. These rivals can be compared in terms of power, 580 (overall) versus 80 (overall) according to devices. The built-in subwoofer is not implemented in any of these models. An external subwoofer can be connected to any of the units in this comparison. Rate 8 out of 10 received the LG SP7R for audio features and specs, but the Polk Audio Signa S4 received 5 out of 10.

Streaming services

The Signa S4 can play audio from Spotify.

Connectivity

Wireless Internet connection is realized only in the Signa S4. Soundbars from this comparison have Bluetooth support. There are 1/1 HDMI inputs/outputs in the LG SP7R versus 0/1 HDMIs in the Polk Audio Signa S4. As in the SP7R, so in the Signa S4 there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the SP7R at 7 out of 10, while the Signa S4 was rated 6/10.

Features

The manufacturer of the Signa S4 provides a device control application. The Polk Audio Signa S4 equipped with a microphone. The models under consideration cannot become part of a multiroom system.

Multichannel surround

Dolby Atmos audio decoder is onboard the Signa S4. Devices from this comparison cannot process surround sound due to lack of DTS:X. The SP7R was rated 6/10, while the Signa S4 received a mark of 9/10 for multichannel surround.

Advantages Polk Audio Signa S4 over LG SP7R

  • Amazon Music compatible
  • Spotify support
  • WI-FI enabled
  • App control
  • Microphone
  • Compatible with Dolby Atmos
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Common

Product

LG SP7R
Polk Audio Signa S4

Model

SP7R
Signa S4

Brand

LG
Polk Audio

Reviews

0
0

General

Placement type

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

Connection to source

wired, wireless
wired, wireless

Soundbar buttons

power, source, demo, volume down, volume up
power, source, demo, volume down, volume up

Audio features

Built-in channels

7.1
3.1.2

Amplification type

active
active

Output power, W

580 (overall)
80 (overall)

Separate speaker (in package)

2
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)

Amazon Music

Spotify

Other streaming services

has not
Pandora, SoundCloud

Connectivity

WI-FI

Bluetooth

Ethernet (RJ45)

0
0

NFC

HDMI input/output

1/1
0/1

HDMI ARC

HDMI eARC

HDMI CEC

Optical digital input/output

1/0
1/0

USB

1 (USB 2.0)
1 (USB 2.0)

Coaxial digital input/output

1/0
0/0

Analog audio input/output (RCA)

0/0
0/0

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, Dolby Digital Plus, Dolby TrueHD

DTS:X

DTS (other)

DTS Digital Surround, DTS Virtual X
DTS HD

User manual

Manual

N/A

Dimensions

Size (Wx H x D), cm/in

100x6.3x10.4/39.4x2.5x4.1
104.6x9.5x6/41.2x3.7x2.4

Weight, kg/pounds

3.2/7.1
2.9/6

Other

Release year

2022
2021
LG SP7R
Polk Audio Signa S4
LG SP7R
Polk Audio Signa S4

Soundbars SoundStrokes Art comparison rating

  • better
  • worse
  • 5
  • 7.8
  • 5LG SP7R
  • 7.8Polk Audio Signa S4

LG SP7R competitors

Polk Audio Signa S4 competitors