Polk Audio Signa S4 - Review

Polk Audio Signa S4 3.1.2 Soundbar Review
6.32 Mixed Usages
7.3 SOUND QUALITY
7.3 BASS ACCURACY :
7 AUDIO & VIDEO LATENCY:
3 AUDIO ENHANCEMENT FEATURES:
7 BUILD QUALITY :
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Specification

GENERAL

Number of Channel 3.1.2 Channel
Placement Type Table-top , Wall-mountable
Connectivity Type Wireless
Subwoofer Feature Separate Subwoofer , Wireless Subwoofer
Rear Speaker N/A
Central Channel Speaker Yes
Audio Enhancement Features Yes
HDMI input/output N/A
Analog Audio In 3.5mm (Aux) Yes
Loudness High Volume ( > 92db )
Warranty 12 months Months

Connectivity:

Digital Optical Audio Input ( Toslink ) 1 Optical Audio Input
HDMI ARC 1 (shared)
HDMI Output None
Full HDMI Input None
Analog Audio In 3.5mm (Aux) 1
RCA Ports No
USB Port 1 USB Port
Ethernet Jack No

Audio Quality ( Tested )

Dialogue & Vocal Accuracy Frequency deviation from target is less than standard error (3.4 dB ); which means soundbar is very good to reproduce dialog and instrumental music
Bass Accuracy ( for music, film scores, movies, and games) Soundbar 's Low-Frequency-Extension is more than 35 Hz. Which means It can reproduce the deep thump and rumble in the low-bass accurately.
3- Dimensional Sound Accuracy ( Sound Stage) audio seems to be coming from a more accurate pinpoint location
Total Harmonic Distortion ( Center Channel ) It has dedicated center channel speaker and Total Harmonic Distortion of center channel @80dB is less than standard value(>0.7). So soundbar produce more clear and accurate audio of the dialogue in movies.
Surround Sound Imaging ( Rear Channel ) No dedicated or alternative channel for surround content. So it downmixes surround content to stereo.
Streo Dynamics ( Loudness ): Dynamic Range Compression @ Standard Volume (80 dB) is less than standard deviation (<2 dB).
Audio & Video Latency Here no visible latency via ARC (84 ms) and Optical (100 ms) but visuals difference may found via Full HDMI Input (N/A).

Audio Enhancement Features:

Digital Room Correction: N/A
Auto Volume Adjustment/ Night Mode: Yes
Equilizer Options: Presets
Bass Adjustment ( Thup & Punch of sound) Yes
Treble Adjustent ( Brightness and Clarity od Audio) N/A
Surround Level Adjustment: N/A
Virtual Surround Effect: N/A

Supported Audio Format ( HDMI ARC)

eARC Standard Yes
Dolby Atmos Yes
Dolby Digital Yes
Dolby Digital Plus Yes
DTS N/A
DTS: X N/A
Dolby True HD ( eARC only ) Yes
DTS- HD MA (eARC only) N/A
5.1 PCM ( eARC only ) Yes

Supported Audio Format (Full HDMI In' port ):

Dolby Atmos : N/A
DTS:X : N/A
Dolby Digital : N/A
Dolby Digital Plus: N/A
DTS : N/A
Dolby TrueHD : N/A
DTS-HD MA : N/A
5.1 PCM N/A

Audio Format Support ( Optical Port ):

Dolby Digital : Yes
DTS : N/A

Drivers Specs

Tweeter Size and Type : 1" Dome (3)
Midrange Size & Types: 2.625" Height Drivers (2)
Woofer Size & Type : 4.75"x1.5" Cone (2)
Subwoofer Driver 5.9375" Cone

Build Material

Enclosure Bass Reflex
Finish The bar is mostly made of plastic. The subwoofer's build melamine its feels solid.
Color Black
Soundbar Width 41.1" (104.5 cm)
Soundbar Height 2.4" (6.0 cm)
Soundbar Depth 3.7" (9.5 cm)
Subwoofer Width 7.9" (20.0 cm)
Subwoofer Depth 11.0" (28.0 cm)

Rating System

SOUND QUALITY 7.3
BASS ACCURACY : 7.3
AUDIO ENHANCEMENT FEATURES: 3
AUDIO & VIDEO LATENCY: 7
BUILD QUALITY : 7
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