Soundbars / Compare

LG S80QY vs Polk Audio Signa S4

A

Product A: LG

S80QY

68 of 98 known

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B

Product B: Polk Audio

Signa S4

50 of 98 known

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All 98 fields

Every value links to where we found it.

Only differences

ALG S80QY

BPolk Audio Signa S4

Audio system

9 of 17 differ

System channel configurationiMaker-stated channel layout of the exact package, such as 5.1.2. This can include virtual channels. It is not a count of physical drivers. Optional speakers do not count.

3.1.31Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 20263.1.3 ch with 480 W total output power.

3.1.22Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026Infosheet: Dolby Atmos 3.1.2 sound bar with wireless subwoofer.

Physical drivers in the packageiCount of physical active speaker drivers across the supplied bar, subwoofer and rear speakers. Passive radiators, microphones and virtual channels do not count. A coaxial driver, such as KEF Uni-Q, counts once, as makers count it.

93Maker product pagelg.com/my/speakers/soundbars/s80qyRead 13 October 2026Number of Speakers 9 EA. That is 8 in the bar plus the subwoofer woofer. TechRadar also states nine total speakers.7Reviewtechradar.com/opinion/i-tested-lgs-dolby-atmos-soundbar-with-this-unique-feature-and-its-a-game-changerRead 13 October 2026Nine total speakers, with 480 W for the bar and subwoofer and 220 W for the subwoofer alone. The third up-firing driver is used for dialogue.

82Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026Seven drivers in the bar plus one woofer in the subwoofer, from the infosheet driver list. The Denon page copy says eleven drivers. That copy does not match the maker driver list and is not used.

Physical drivers in the bariCount of physical active speaker drivers in the soundbar alone. Passive radiators and virtual channels do not count. A coaxial driver, such as KEF Uni-Q, counts once, as makers count it.

83Maker product pagelg.com/my/speakers/soundbars/s80qyRead 13 October 2026Eight units in the bar from the unit list. The ninth speaker is the subwoofer.

72Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026

Up-firing drivers in the packageiPhysical active drivers explicitly firing upwards across the supplied package. Virtual height channels and passive radiators do not count. A driver that fires upwards only when the bar is wall mounted is not counted.

32Maker product pagelg.com/uk/speakers/soundbars/s80qyRead 13 October 2026Key feature Triple Up-Firing Channels. Two upward woofers plus an up-firing center tweeter, see the LG Malaysia page unit list.

22Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026

Driver layoutiPublished physical driver layout for the supplied components. A row names one driver type in one component. Do not translate channel count into driver count.

ALG S80QY

Component	Driver type	Count	Diameter (mm)	Orientation
Soundbar	Woofer, 52 x 99 mm	2	Not available	Front, left and right
Soundbar	Silk dome tweeter	2	20	Front, left and right
Soundbar	Woofer	1	63.5	Front, center
Soundbar	Woofer	2	63.5	Up-firing, left and right
Soundbar	Silk dome tweeter	1	20	Up-firing, center
Subwoofer	Woofer	1	203.2	Not available

Source3Maker product pagelg.com/my/speakers/soundbars/s80qyRead 13 October 2026Speaker unit list. Front L/R 20 mm silk dome tweeter and 52 x 99 mm woofer each. Center 2.5 in woofer. Top L/R 2.5 in woofer each. Top center 20 mm silk dome tweeter, open system. Subwoofer 8 in woofer, bass reflex. 2.5 in stored as 63.5 mm and 8 in as 203.2 mm.

BPolk Audio Signa S4

Component	Driver type	Count	Diameter (mm)	Orientation
Soundbar	Tweeter (left and right)	2	25	Front-firing
Soundbar	Racetrack midrange (left and right), 120 × 40 mm	2	Not available	Front-firing
Soundbar	Full-range center	1	25	Not available
Soundbar	Elevation (left and right)	2	66	Up-firing
Subwoofer	Woofer	1	150	Down-firing

Source2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026Infosheet lists two 1 in tweeters, two 4.7 x 1.6 in racetrack mids, one 1 in full-range center and two 2.6 in elevation drivers in the bar, and one 5.9 in woofer in the subwoofer. Metric sizes as published. Elevation and subwoofer firing directions come from the Trusted Reviews review.

Separate subwoofer includediA separate powered subwoofer is supplied with the reference package. A built-in woofer does not count.

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Yes2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026

Included subwoofer connectioniAudio link used by the supplied separate subwoofer. Wireless subwoofers can still require an AC power cable.

Wireless1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Wireless2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026

Included subwoofer driver diameteriPublished diameter of an active driver in the supplied separate subwoofer. Do not use enclosure size or passive radiator size.

203.2mm3Maker product pagelg.com/my/speakers/soundbars/s80qyRead 13 October 2026

150mm2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026Infosheet: woofer 5.9 in / 15 cm. Some retailer copy says 5.25 in. The maker figure is stored.

Rear speakers includediCount of separate rear speaker enclosures supplied with the reference package. Detachable bar ends count when usable as rears. Optional rear speakers do not count.

01Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Included accessories list no rear speakers. The bar is only Wireless Surround Sound Ready for the optional SPQ8-S kit.

02Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026What is in the Box lists a sound bar and a subwoofer only. The Trusted Reviews review says rear speakers cannot be added.

Included rear speaker connectioniAudio link to the supplied rear speaker enclosures. Their power connection is separate.

Not available

Not available

Detachable rear speakersiThe bar has supplied detachable end sections usable as separate rear speakers.

No1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026The bar has no detachable end sections.

Not available

Compatible optional subwoofersiMaker-named compatible additional subwoofer models. These do not contribute to the reference package layout, dimensions or measurements.

Not available

Not available

Compatible optional rear speakersiMaker-named compatible additional rear speaker models. These do not contribute to the reference package layout, dimensions or measurements.

SPQ8-S1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Wireless Surround Sound Ready (SPQ8-S). The rear kit is sold separately and is not in the reference package.

Not available

Total RMS audio output poweriMaker-stated RMS or rated continuous amplifier output for the exact supplied package. Peak or unspecified maximum claims do not qualify. Distortion, load and rating conditions belong in the source note. Power consumption is separate.

480W1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Spec sheet lists total power 480 W. The LG Malaysia page states output power at THD 10 percent. RMS or continuous is not stated. Speaker rows add up to 480 W: 45 W x 2 front, 40 W center, 45 W x 2 front height, 40 W center height and 220 W subwoofer.

Not available

Total peak audio output poweriMaker-stated peak or maximum amplifier output for the exact supplied package. This is separate from RMS or continuous output and from electrical consumption. Rating conditions belong in the source note.

Not available

Not available

Published frequency response lower limitiMaker-published lower limit for the exact supplied package. Tolerance and test conditions belong in the source note. Reviewer extension measurements are separate.

Not available

Not available

Published frequency response upper limitiMaker-published upper limit for the exact supplied package. Tolerance and test conditions belong in the source note.

Not available

Not available

Audio formats

7 of 9 differ

Dolby AtmosiExplicit support for Dolby Atmos playback. Transport codec and connection restrictions belong in source notes.

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Yes2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026

DTS:XiExplicit support for DTS:X playback. Virtual surround processing alone does not establish DTS:X decoding.

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

No4Reviewtrustedreviews.com/reviews/polk-signa-s4Read 13 October 2026Review states the sound bar decodes PCM and Dolby formats and has no support for any DTS format. The maker manual lists no DTS format.

Supported audio formatsiAudio formats explicitly decoded by the device. Codec and connection restrictions belong in source notes. Bluetooth codecs and music-file formats are separate.

LPCM, Dolby Atmos, Dolby TrueHD, Dolby Digital Plus, Dolby Digital, DTS Digital Surround, DTS-HD Master Audio, DTS-HD High Resolution Audio, DTS:X1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Linear PCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdfRead 13 October 2026Specifications page: Linear PCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD and Dolby Atmos. No DTS format is listed.

Audio formats by connectioniExplicitly supported audio decoding combinations. Max input channels counts decoded input audio channels, including LFE. A 5.1 layout has 6 channels and 7.1 has 8. Output speaker layouts and Atmos objects do not count. Atmos over Dolby Digital Plus and over Dolby TrueHD are separate rows. Format support on one input does not prove support on another.

ALG S80QY

Not available

BPolk Audio Signa S4

Connection	Format
HDMI eARC	Dolby Atmos

Source2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026Maker states Dolby Atmos needs the HDMI eARC connection between sound bar and TV. No other connection-specific format limits are published.

Music file formatsiPublished local or network music-file playback formats. Playback route and app restrictions belong in source notes.

FLAC, OGG, WAV, MP3, AAC1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026FLAC, OGG, WAV, MP3 and AAC are listed for both C4A and USB playback.

Not available

Max wired audio sample rateiHighest explicitly published supported sample rate for decoded wired audio input. Name the exact HDMI, ARC, eARC or optical connection and codec in source notes. This is the published route limit, not proof of a device-wide maximum across all inputs. Local or network music-file limits and Bluetooth do not qualify. A chipset limit is not device evidence.

Not available

48kHz3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdfRead 13 October 2026Specifications page lists sampling frequency 32, 44.1 and 48 kHz for the sound bar. It does not name the connection or codec.

Max music file sample rateiHighest explicitly published supported local or network music-file sample rate. Name the playback route and file format in source notes. This is the published route and format limit, not proof of a device-wide maximum across all music formats. Wired HDMI or optical input and Bluetooth are separate.

96kHz3Maker product pagelg.com/my/speakers/soundbars/s80qyRead 13 October 2026High-resolution audio sampling 24 bit/96 kHz and upsampling to 24 bit/96 kHz. 24 bit/192 kHz is listed as No. The page does not name the route or file format.

Not available

Max wired audio bit depthiHighest explicitly published supported bit depth for decoded wired audio input. Name the exact HDMI, ARC, eARC or optical connection and codec in source notes. This is the published route limit, not proof of a device-wide maximum across all inputs. Local or network music-file limits and Bluetooth do not qualify.

Not available

Not available

Max music file bit depthiHighest explicitly published supported local or network music-file bit depth. Name the playback route and file format in source notes. This is the published route and format limit, not proof of a device-wide maximum across all music formats. Wired HDMI or optical input and Bluetooth are separate.

24bits3Maker product pagelg.com/my/speakers/soundbars/s80qyRead 13 October 2026High-resolution audio sampling 24 bit/96 kHz. Route and file format are not named.

Not available

Connectivity

9 of 17 differ

Ports on the bariPhysical connectors on the soundbar alone. Record input, output, ARC or eARC, service, subwoofer and power roles explicitly. Count identical connectors per row. Component connectors are described in source notes.

ALG S80QY

Connector	Count	Role
HDMI	1	Audio and video input
HDMI	1	TV video output and eARC or ARC audio return
Optical	1	Digital audio input
USB-A	1	USB host for audio file playback

Source8Retailer pageee.co.uk/help/tech/device/LG/S80QYSoundbarRead 13 October 2026HDMI in and out, optical and USB from the LG pages. The USB port is Type-A (EE spec page). The HDMI out jack carries ARC and eARC.

BPolk Audio Signa S4

Connector	Count	Version	Role
HDMI	1	2.1	TV connection with eARC or ARC
Optical	1	Not available	Digital audio input
3.5 mm audio	1	Not available	Analog AUX audio input
USB-A	1	Not available	Firmware updates
AC power	1	Not available	Soundbar power input

Source2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026Infosheet inputs: one HDMI eARC output, one optical input, one 3.5 mm analog input, Bluetooth and one USB-A for firmware updates. The manual also describes a hidden USB music input. HDMI 2.1 comes from the launch announcement text on Home Theater Forum and the Greentoe retailer table, not from the maker documents.

HDMI ARC

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Yes3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdfRead 13 October 2026

HDMI eARC

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Yes2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026

HDMI-CEC

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Yes3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdfRead 13 October 2026

HDMI video passthroughiCan pass video from a dedicated HDMI source input to a television output. ARC or eARC alone does not qualify.

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

No3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdfRead 13 October 2026The only HDMI connector is the TV eARC/ARC connection. There is no HDMI source input.

Video passthrough modesiPublished supported passthrough combinations, not inferred maxima at untested resolutions. State chroma, bit depth, HDR and firmware restrictions in source notes.

Not available

Not available

HDR passthrough formats

HDR10, Dolby Vision1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026US sheet and LG UK, Canada and Singapore pages list HDR10 and Dolby Vision. The US sheet lists HDR10+ as No. The LG Malaysia page lists the HDR10 and HDR10+ rows the other way round, so HDR10+ is left out.

Not available

VRR passthrough

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026VRR / ALLM: Yes. The LG Singapore page adds that VRR pass-through is limited to 60 Hz content.

Not available

ALLM passthrough

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Not available

HDCP versioniHighest HDCP version the maker states for an HDMI port of the soundbar, such as 2.3. When the source inputs and the TV output differ, the source input version is stored. A bar with no HDMI input stores the version of its TV output, also when that output carries video from a built-in streaming player.

2.31Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 20264K Passthrough (HDCP 2.3).

Not available

Bluetooth audio inputiCan receive audio from a Bluetooth source. A Bluetooth remote alone does not qualify.

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Yes2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026

Bluetooth versioniPublished version of the soundbar audio connection. An optional remote or detachable rear can use a different version.

5.01Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Bluetooth 5.0 with SBC and AAC.

5.03Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdfRead 13 October 2026Specifications page: Bluetooth Version 5.0, Power Class 2, A2DP 1.3 and AVRCP 1.6.

Bluetooth audio codecsiExplicitly supported codecs for received Bluetooth audio. A Bluetooth version alone does not establish a codec.

SBC, AAC1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

SBC3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdfRead 13 October 2026Specifications page: corresponding codec SBC.

Wi-Fi

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Not available

Wi-Fi standardiPublished Wi-Fi standards for the soundbar, written as 802.11 names without IEEE, such as "802.11a/b/g/n/ac/ax". A Wi-Fi generation is written as its standard, so Wi-Fi 5 is "802.11ac" and Wi-Fi 6 is "802.11ax". Do not infer the standard from frequency bands.

Not available

Not available

Wi-Fi bandsiPublished radio bands, such as 2.4 GHz and 5 GHz.

2.4 GHz, 5 GHz1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 20263Maker product pagelg.com/my/speakers/soundbars/s80qyRead 13 October 2026Wi-Fi (2.4G / 5G): Yes.

Not available

Built-in Ethernet speediRated speed of the built-in port. An optional adapter does not count.

Not available

Not available

Streaming and control

6 of 8 differ

Streaming protocolsiNamed network playback protocols, such as AirPlay 2, Google Cast, Spotify Connect and Tidal Connect. Bluetooth is separate.

AirPlay 2, Google Cast, Spotify Connect, Tidal Connect1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Chromecast, Apple AirPlay 2, Spotify Connect and Tidal supported. Group Play Mode is listed as Yes (Chromecast).

Not available

Voice assistantsiNamed assistants supported by the soundbar. Built-in and external-device routes and market restrictions belong in source notes.

Google Assistant, Amazon Alexa1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Works with the Google Assistant and Amazon Alexa. The LG Malaysia page also lists Google Assistant built in with 2 microphones. Alexa works as a controlled device.

Not available

Built-in microphoneiPhysical microphone in the bar for voice or calibration. An external setup phone or remote microphone does not count.

Yes3Maker product pagelg.com/my/speakers/soundbars/s80qyRead 13 October 2026AI Room Calibration (2 MIC In) and Google Assistant built in (Controller, 2 MIC In).

Not available

Microphone mute controliA physical control on the soundbar explicitly disables its built-in voice microphone. State whether this is an electrical switch or software-controlled button when known.

Not available

Not available

Companion apps

LG Sound Bar3Maker product pagelg.com/my/speakers/soundbars/s80qyRead 13 October 2026LG Sound Bar app, named in the LG networked standby document.

Not available

Companion app platforms

Android, iOS1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Not available

Multiroom audioiCan play synchronised audio with other rooms through a supported network platform. Optional surround expansion alone does not qualify.

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Group Play Mode: Yes (Chromecast).

Not available

Remote includediA separate remote control supplied with the reference package. Phone apps and TV remotes do not count.

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Yes1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s4/300443.htmlRead 13 October 2026

Sound processing

5 of 7 differ

Sound modes

AI Sound Pro, Standard, Music, Cinema, Clear Voice, Bass Blast, Bass Blast +, Sports, Game1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Movie, Music, Night2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026

Automatic room calibrationiExplicit acoustic measurement or analysis used to adapt playback to the room. Manual EQ alone does not qualify. Setup phone requirements belong in source notes.

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026AI Room Calibration: Yes. The LG UK page names it AI Room Calibration Pro (App).

Not available

Room calibration system

AI Room Calibration Pro2Maker product pagelg.com/uk/speakers/soundbars/s80qyRead 13 October 2026AI Room Calibration Pro (App): Yes.

Not available

Dialogue enhancementiA dialogue or voice mode counts, also when the maker lists it as an EQ preset.

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Clear Voice sound mode. The LG UK page names it Clear Voice Pro.

Yes2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026

Night mode

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Night Time Mode on or off, from remote and app.

Yes2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026

Equalizer controlsiPublished user-adjustable EQ controls. Bass and treble controls are distinct from multi-band EQ.

User EQ, Subwoofer level1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Customize EQ from remote and app. Band count is not published. Woofer level -15 to 6 dB from the LG Malaysia page.

Bass Adjust2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026

TV speaker integrationiNamed features allowing compatible television speakers to play with the bar. TV models and connection requirements belong in source notes.

WOW Orchestra2Maker product pagelg.com/uk/speakers/soundbars/s80qyRead 13 October 2026WOW Orchestra: Yes. It works with compatible LG TVs. TV model requirements are not listed on the page.

Not available

Power

4 of 6 differ

Published operating poweriMaker-published operating electrical consumption of the soundbar alone. Included subwoofer and rear-speaker consumption do not count. Keep workload and method in source notes. Audio amplifier output is separate.

59W1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Soundbar power consumption 59 W. The subwoofer is 40 W and is not included.

40W3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdfRead 13 October 2026Sound bar specifications: power consumption 40 W. The subwoofer is listed separately at 40 W.

Published standby poweriMaker-published non-networked standby consumption of the bar alone. Networked standby and other components are separate.

0.5W1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Soundbar standby 0.5 W or less. The subwoofer standby is separate.

1.5W3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdfRead 13 October 2026Sound bar standby mode 1.5 W. Deep standby mode 0.3 W. The sound bar has no network standby.

Published networked standby poweriMaker-published networked standby consumption of the bar alone. Enabled radio and network conditions belong in source notes.

2W4Maker spec sheet (PDF)lg.com/uk/lgecs.downloadFile.ldwfRead 13 October 2026LG product information for S80Q, S80QR, S80QY: networked standby 2.0 W, bar only. Standby 0.5 W. The document also names the LG Sound Bar app.

Not available

Power supplyiPublished AC input range or external DC adapter arrangement. Electrical input ratings are not operating consumption.

Not available

Sound bar: AC 100 to 240 V, 50/60 Hz. The wireless subwoofer has its own power cord, AC 100 to 240 V, 50/60 Hz.3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdfRead 13 October 2026

Detachable rear battery lifeiMaker-stated runtime of the supplied detachable rear speakers. Volume, mode and recharge conditions belong in source notes.

Not available

Not available

Detachable rear charge timeiMaker-stated full recharge time of supplied detachable rear speakers. Charging route belongs in source notes.

Not available

Not available

Measured

None of 8 known

Low-frequency extension (measured)iReviewer-measured lower extension for the exact tested package. Test threshold, mode, room correction and configuration belong in source notes.

Not available

Not available

High-frequency extension (measured)iReviewer-measured upper extension for the exact tested package. Test threshold and configuration belong in source notes.

Not available

Not available

Max sound pressure (measured)iReviewer-measured maximum sound pressure. Signal, distance, sound mode and supplied or optional speaker configuration belong in source notes.

Not available

Not available

Frequency response deviation (measured)iReviewer-measured standard error against the stated target. Target, averaging range, preset and test method belong in source notes.

Not available

Not available

Measured latencyiReviewer-measured audio latency. Keep source/TV, firmware, codec, synchronisation correction and exact tested speaker configuration in source notes. Negative offsets are valid when the method reports them.

Not available

Not available

Operating power (measured)iReviewer-measured operating consumption of the soundbar alone. Optional or supplied external speakers do not count. Workload and enabled radio conditions belong in source notes.

Not available

Not available

Standby power (measured)iReviewer-measured bar-only standby consumption. Network state and test conditions belong in source notes.

Not available

Not available

Soundbar weight (measured)iReviewer-measured bar-only weight. Excludes subwoofer, rears, mounting hardware and cables.

Not available

Not available

Dimensions and weight

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Soundbar dimensionsiBar alone in its normal tabletop orientation, without detachable rears, wall brackets or external cables. A source that includes detachable ends must use component_dimensions instead. A size labelled L x W x H, as on Amazon, is width x depth x height.

Width1,000Height63Depth135mm(39.4 × 2.5 × 5.3 in)1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Soundbar W x H x D 39.4 x 2.5 x 5.3 in on the US sheet. The LG UK and Malaysia pages give 1000 x 63 x 135 mm, with feet.

Width1,046Height60Depth95mm(41.2 × 2.4 × 3.7 in)2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026Infosheet gives sound bar W x D x H as 1046 x 95 x 60 mm.

Soundbar weightiBar alone, without detachable rears, subwoofer, wall brackets or external cables. Source-published masses including detachable ends belong in component_dimensions.

4,500g(9.9 lb)1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Soundbar net weight 9.9 lb on the US sheet. The LG UK and Malaysia pages give 4.5 kg.

2,900g(6.4 lb)3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdfRead 13 October 2026Sound bar weight 6 lbs 6 oz (2.9 kg). Subwoofer weight 9 lbs 1 oz (4.1 kg).

Component dimensions and weightiPublished dimensions and mass for named supplied components, including a bar with detachable rears attached when stated. Each row describes one enclosure, not the pair, unless the component label explicitly states a set. Width, height and depth use normal installed orientation.

ALG S80QY

Component	Width (mm)	Height (mm)	Depth (mm)	Weight (g)
Subwoofer (SPQ8-W)	201.7	407	403	10,000

Source2Maker product pagelg.com/uk/speakers/soundbars/s80qyRead 13 October 2026Subwoofer 201.7 x 407.0 x 403.0 mm and 10 kg on the LG UK and Malaysia pages. The US sheet gives 7.9 x 16 x 15.9 in and 22.1 lb.

BPolk Audio Signa S4

Component	Width (mm)	Height (mm)	Depth (mm)	Weight (g)
Subwoofer	200	280	328	4,100

Source2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026Infosheet gives subwoofer W x D x H as 200 x 328 x 280 mm. Weight comes from the manual.

Package dimensions

Width1,107.44Height551.18Depth256.54mm(43.6 × 21.7 × 10.1 in)1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Carton size W x H x D 43.6 x 21.7 x 10.1 in, converted exactly. The LG Malaysia page gives 1108 x 551 x 257 mm.

Width1,117.6Height263.7Depth441.5mm(44 × 10.4 × 17.4 in)7Retailer pagegreentoe.com/product/Polk_Audio_Signa_S4_3-1-2-Channel_Dolby_Atmos_Soundbar_System_300443-01-00-101Read 13 October 2026Retailer table lists box dimensions (LxWxH) as 44 x 17.38 x 10.38 in. Mapped to width, depth and height in that order. Inches converted exactly to mm and rounded to 0.1 mm.

Package weightiShipping package including supplied components and packaging.

18,688g(41.2 lb)1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Shipping weight 41.2 lb, converted exactly. The LG UK page gives a gross weight of 18.7 kg.

9,584g(21.1 lb)7Retailer pagegreentoe.com/product/Polk_Audio_Signa_S4_3-1-2-Channel_Dolby_Atmos_Soundbar_System_300443-01-00-101Read 13 October 2026Retailer table lists package weight 21.13 lb. NFM lists 21.20 lb. Converted exactly and rounded to 1 g.

Wall mountable

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Yes1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s4/300443.htmlRead 13 October 2026Page copy describes a low-profile, wall-mountable design. Wall mount template and spacers are supplied. Screws are not listed.3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdfRead 13 October 2026Section Hanging the sound bar on a wall describes two keyholes and the supplied template and spacers.

In the box

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In the box

S80QY soundbar, SPQ8-W wireless subwoofer, Remote control, Two AA batteries, Wall mount bracket, HDMI cable, Warranty card1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Sound bar, Subwoofer, Remote control, Sound bar power cord, Subwoofer power cord, HDMI cable, Optical cable, 2 AAA batteries, Quick start guide, Registration card, Safety card, Wall mount template, Wall mount spacers1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s4/300443.htmlRead 13 October 2026Specifications tab What's in the Box. The infosheet lists one power cord. The page lists sound bar and subwoofer power cords.

Wall mount hardware includediSupplied bar mounting brackets or mount. Screws alone do not establish that a complete mount is included.

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Not available

HDMI cable included

Yes1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026

Yes1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s4/300443.htmlRead 13 October 2026

Optical cable included

No1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Included accessories on the US sheet and the LG UK page list no optical cable.

Yes1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s4/300443.htmlRead 13 October 2026

General

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Series

Not available

Signa1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s4/300443.htmlRead 13 October 2026

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

S80QY1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026Model S80QY on the US spec sheet. The subwoofer is SPQ8-W. Regional suffixes are not stated on the sheet.

300443-01-00-1011Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s4/300443.htmlRead 13 October 2026US page SKU 300443-01-00-101.

GTIN / EAN

1951740299611Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026UPC 195174029961 on the LG USA spec sheet.

7471921358298Retailer pagecreativeaudio.net/signa-s4Read 13 October 2026UPC 747192135829 listed with part number 300443-01-00-101. Electronic Express lists the same UPC.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

January 20226Press articleengadget.com/lg-2022-soundbars-price-release-date-163853867.htmlRead 13 October 2026Engadget: the 2022 soundbars were introduced in January. The US release was reported on June 23-24, 2022.

Not available

Status

Available6Press articleengadget.com/lg-2022-soundbars-price-release-date-163853867.htmlRead 13 October 2026The LG UK product page is live with a buy tab and the model is stocked at retailers. The maker has not marked it discontinued.

Available1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s4/300443.htmlRead 13 October 2026US maker page offers the black model for purchase. The current page price is $449, which is not the launch price.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$8996Press articleengadget.com/lg-2022-soundbars-price-release-date-163853867.htmlRead 13 October 2026US price $899 for the 3.1.3-channel S80QY at the June 2022 release. Home Theater Forum lists the same US price from LG's pricing release. Tax is not included.

$3995Press articlehometheaterforum.com/polk-audio-introduces-signa-s4-dolby-atmos-sound-bar-systemRead 13 October 2026Launch article of 2021-12-20 gives the system price as $399 and says it is available now from Polk Audio. The Tom's Guide review also gives $399. US MSRP excluding sales tax is not stated.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

€3496Press articleareadvd.de/news/polk-audio-stellt-neues-dolby-atmos-soundbar-system-vorRead 13 October 2026German launch report of 2021-12-16: available now for 349 euros recommended retail price (UVP) from PolkAudio.com and dealers. VAT treatment is not stated and a German UVP normally includes VAT.

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US6Press articleengadget.com/lg-2022-soundbars-price-release-date-163853867.htmlRead 13 October 2026US release and US price.

US, EU1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s4/300443.htmlRead 13 October 2026US page lists the US SKU and US pricing. The EU market comes from the German launch report.6Press articleareadvd.de/news/polk-audio-stellt-neues-dolby-atmos-soundbar-system-vorRead 13 October 2026

ColoursiThe maker's own colour names

Dark Steel Silver3Maker product pagelg.com/my/speakers/soundbars/s80qyRead 13 October 2026Mainset and subwoofer color: Dark Steel Silver.

Black1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s4/300443.htmlRead 13 October 2026

Links

Not compared

Product page

lg.com/ca_en/tv-soundbars/soundbars/s80qy5Maker product pagelg.com/ca_en/tv-soundbars/soundbars/s80qyRead 13 October 2026LG Canada page for the S80QY with the full spec list. The LG USA page was not reachable.

www.polkaudio.com/en-us/product/sound-bars/signa-s4/300443.html1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s4/300443.htmlRead 13 October 2026

Spec sheet

files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheet1Maker spec sheet (PDF)files.bbystatic.com/aoCFgcpOsUMA0NF68A9Ilg%3D%3D/Specification%2BSheetRead 13 October 2026LG USA two-page spec sheet for the S80QY, copyright 2022, hosted on the Best Buy file server.

www.polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdf2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw0ff899e4/downloads/signa-s4-infosheet-en.pdfRead 13 October 2026

Manual

Not available

www.polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdf3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw3319e610/downloads/signa-s4-owners-manual-en.pdfRead 13 October 2026

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

None of 1 known

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

Not available

Not available

Both are also in the API. Back to all soundbars.