Soundbars / Compare

Klipsch Cinema 600 vs Polk Audio Signa S4

A

Product A: Klipsch

Cinema 600

47 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

AKlipsch Cinema 600

BPolk Audio Signa S4

Audio system

8 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.

3.11Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Speaker system: 45 inch 3.1 soundbar with 10 inch wireless subwoofer. The sheet calls it a true 3.1 system.

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.

81Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026High frequency drivers (3) 1 inch soft dome tweeters, midrange (4) 3 inch oval cone woofers and a 10 inch subwoofer. Eight drivers in all. StereoNET also says seven drivers in the bar.

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.

71Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Three tweeters and four midrange woofers listed for the bar.

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.

Not available

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.

AKlipsch Cinema 600

Component	Driver type	Count	Diameter (mm)
Soundbar	Soft dome tweeter with Tractrix horn	3	25.4
Soundbar	Oval fiber composite cone woofer	4	76.2
Subwoofer	Ported woofer	1	254

Source1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Tweeters 1 inch (25.4 mm) with Tractrix horns. Midrange woofers 3 inch (76.2 mm) oval fiber composite cone. Subwoofer 10 inch (254 mm) ported. Exact inch to mm values are as printed on the sheet.

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)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 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)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Wireless 2.4 GHz technology pairs the subwoofer. An additional wired subwoofer output is provided.

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.

254mm1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 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)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Rear speakers are not in the box. The sheet says to add the optional Surround 3 for 5.1.

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.

No2Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Cinema-600_Sound-Bar_Manual_v03.pdfRead 10 October 2026Components pages show a sound bar, subwoofer, remote and cables. There are no detachable ends.

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.

Klipsch Surround 31Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Sheet: add the optional Surround 3 for a true 5.1 experience.

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.

Not available

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.

28Hz1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Specification table gives frequency response 28-20kHz. Tolerance and test conditions are not stated.

Not available

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

20kHz1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 202628-20kHz. Tolerance and test conditions are not stated.

Not available

Audio formats

4 of 9 differ

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

No4Reviewtrustedreviews.com/reviews/klipsch-cinema-600Read 10 October 2026Review says it does not support Dolby Atmos and is limited to Dolby Digital 5.1.

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.

No4Reviewtrustedreviews.com/reviews/klipsch-cinema-600Read 10 October 2026Review says there is no immersive audio support and the decoding is limited to lossy Dolby Digital and DTS.

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.

Dolby Digital, DTS2Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Cinema-600_Sound-Bar_Manual_v03.pdfRead 10 October 2026Dolby Digital LED and the note that Dolby Digital sound modes need a Dolby Digital signal. The sheet says Dolby Digital processing is built in. DTS comes from Trusted Reviews.4Reviewtrustedreviews.com/reviews/klipsch-cinema-600Read 10 October 2026Spec table lists Dolby Digital 5.1 and DTS 5.1.

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.

AKlipsch Cinema 600

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.

Not available

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.

Not available

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.

Not available

Not available

Connectivity

5 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.

AKlipsch Cinema 600

Connector	Count	Version	Role
HDMI	1	ARC	HDMI-ARC connection to the TV
Optical	1	Not available	Digital optical input
3.5 mm audio	1	Not available	Analog input
Subwoofer	1	Not available	Subwoofer output, RCA
Other	1	Not available	USB socket on the rear panel. No source in this file states its function
AC power	1	Not available	Mains power input

Source1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Inputs: HDMI-ARC, Bluetooth, 3.5 mm analog and optical digital. Output: subwoofer (RCA). The manual rear panel diagram also shows a USB socket, a PAIR button and the AC inlet. The USB socket is stored as Other because no source gives its function.

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)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Inputs list HDMI-ARC. The sheet does not name eARC.

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

No4Reviewtrustedreviews.com/reviews/klipsch-cinema-600Read 10 October 2026Review lists ARC and not eARC. AVNirvana says the Cinema 600 and 400 lack eARC.5Press articleavnirvana.com/threads/klipsch%E2%80%99s-new-cinema-sound-bar-lineup-offers-8k-passthrough-and-atmos-decoding-for-a-compact-immersive-experience.9049Read 10 October 2026Release text says the Cinema 600 and 400 lack eARC and use ARC.

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

Yes2Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Cinema-600_Sound-Bar_Manual_v03.pdfRead 10 October 2026Page 6 says the bar receives TV audio over HDMI-ARC with CEC turned on.

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.

No2Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Cinema-600_Sound-Bar_Manual_v03.pdfRead 10 October 2026Only one HDMI connection exists, the HDMI-ARC link to the TV. No HDMI source input is described.

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

Not available

Not available

VRR passthrough

Not available

Not available

ALLM passthrough

Not available

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.

Not available

Not available

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

Yes1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Inputs list Bluetooth. Version and codecs are not published.

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.

Not available

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.

Not available

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

No4Reviewtrustedreviews.com/reviews/klipsch-cinema-600Read 10 October 2026Review says there is no built-in Wi-Fi and the only wireless link is Bluetooth.

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.

Not available

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

2 of 8 differ

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

Not available

Not available

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

Not available

Not available

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

Not available

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

Klipsch Connect4Reviewtrustedreviews.com/reviews/klipsch-cinema-600Read 10 October 2026Review describes the Klipsch Connect app for iOS and Android for control, firmware updates and setup.

Not available

Companion app platforms

iOS, Android4Reviewtrustedreviews.com/reviews/klipsch-cinema-600Read 10 October 2026Klipsch Connect for iOS and Android.

Not available

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

Not available

Not available

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

Yes1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Included accessories: LED backlit remote control.

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

Sound processing

2 of 7 differ

Sound modes

Standard, Dialog Enhance, Night Mode, Virtual Surround2Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Cinema-600_Sound-Bar_Manual_v03.pdfRead 10 October 2026Pages 15 to 17: Dialog Enhance Mode with three levels, Night Mode, Virtual Surround Mode and a Dolby Digital indicator. Only one EQ profile is active at a time: Standard, Dialog Enhanced or Night.

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.

Not available

Not available

Room calibration system

Not available

Not available

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

Yes2Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Cinema-600_Sound-Bar_Manual_v03.pdfRead 10 October 2026Dialog Enhance Mode raises dialogue and optimises the EQ. Three levels.

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

Yes2Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Cinema-600_Sound-Bar_Manual_v03.pdfRead 10 October 2026Night Mode reduces dynamic range and turns the subwoofer off.

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.

Subwoofer level2Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Cinema-600_Sound-Bar_Manual_v03.pdfRead 10 October 2026Remote has subwoofer level buttons. Surround level only applies when the optional Surround 3 is connected.

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.

Not available

Not available

Power

3 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.

Not available

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.

Not available

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.

Not available

Not available

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

100-240 V AC, 50/60 Hz internal power supply1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Voltage: 100-240 V 50/60 Hz internal power supply.

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

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

Not available

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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.

Width1,143Height73Depth86mm(45 × 2.9 × 3.4 in)1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Bar 45 in (114.3 cm) W x 2 7/8 in (7.3 cm) H x 3 3/8 in (8.6 cm) D. Stored from the centimetre figures.

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.

Not available

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.

AKlipsch Cinema 600

Component	Width (mm)	Height (mm)	Depth (mm)
Subwoofer	360	470	370

Source1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Subwoofer 14 1/4 in (36 cm) W x 18 1/2 in (47 cm) H x 14 1/2 in (37 cm) D. Stored from the centimetre figures. The sheet lists one weight of 30.8 lb (13.97 kg) without saying which part it covers, so no weight is stored.

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

Not available

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.

Not available

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)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Mounting options: 1/4-20 thread and included slim-depth wall brackets.2Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Cinema-600_Sound-Bar_Manual_v03.pdfRead 10 October 2026Direct wall mounting page 5.

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

Cinema 600 sound bar, Wireless subwoofer, LED backlit remote control, Two AAA batteries, Two 1.5 m power cords, 1.5 m HDMI cable, Two keyhole wall mount brackets with screws, Wall mount template1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Included accessories: LED backlit remote, (2) 1.5 m power cords, (2) keyhole mounting clips with 1/4-20 screw, wall mount template, (2) AAA batteries and 1.5 m HDMI cable. The subwoofer is part of the system.

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)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Included slim-depth wall brackets. No wall screws are supplied.2Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Cinema-600_Sound-Bar_Manual_v03.pdfRead 10 October 2026Page 2 lists two wall mount brackets and two wall mount screws. Mounting screws for the wall are not included.

Not available

HDMI cable included

Yes1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 20261.5 m HDMI cable is in the accessories list.

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

Optical cable included

No2Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Cinema-600_Sound-Bar_Manual_v03.pdfRead 10 October 2026Components list shows an HDMI cable only. The sheet suggests an optical cable as an alternative to the supplied HDMI cable.

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

General

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Series

Cinema5Press articleavnirvana.com/threads/klipsch%E2%80%99s-new-cinema-sound-bar-lineup-offers-8k-passthrough-and-atmos-decoding-for-a-compact-immersive-experience.9049Read 10 October 2026Release names the all-new Klipsch Cinema series of sound bars.

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.

10687773Maker product pageklipsch.com/products/cinema-600-sound-barRead 10 October 2026Page structured data names sku 1068777 for the Cinema 600. This is a Klipsch SKU rather than a shorter model code.

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

7438780438228Retailer pageautogarsas.lt/en/products/klipsch-cinema-600-soundbaras-su-zemu-dazniu-garso-koloneleRead 10 October 2026Lithuanian retailer lists bar code 743878043822 for the Klipsch Cinema 600 with wireless subwoofer. One retailer only, and the Klipsch prefix 743878 matches the maker.

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.

December 20206Press articlewhathifi.com/news/klipsch-set-to-release-dolby-atmos-capable-cinema-soundbars-in-the-ukRead 10 October 2026Article dated 2 December 2020 announces the Cinema range for the UK, with the Cinema 600 due on sale in December. Month only.

Not available

Status

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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.

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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.

$4995Press articleavnirvana.com/threads/klipsch%E2%80%99s-new-cinema-sound-bar-lineup-offers-8k-passthrough-and-atmos-decoding-for-a-compact-immersive-experience.9049Read 10 October 2026Reproduces the Klipsch US release dated July 22, 2021: Cinema 600 priced at $499, available now at Klipsch.com, AudioAdvice.com and Crutchfield.com. Trusted Reviews also gives $499 and What Hi-Fi gave about $500 at the December 2020 UK announcement. US price excludes sales tax. The UK and Australian launch was earlier, so the US price at first sale may differ. Doubt recorded.

$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.

US5Press articleavnirvana.com/threads/klipsch%E2%80%99s-new-cinema-sound-bar-lineup-offers-8k-passthrough-and-atmos-decoding-for-a-compact-immersive-experience.9049Read 10 October 2026US release for Klipsch.com and US retailers.

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

Black1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026Specification table: Finish Black.

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

Links

Not compared

Product page

www.klipsch.com/products/cinema-600-sound-bar3Maker product pageklipsch.com/products/cinema-600-sound-barRead 10 October 2026Klipsch product page with the spec sheet and manual download links. It has no purchase option.

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

d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdf1Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Cinema-600_Soundbar_Spec-Sheet_v02-1.pdfRead 10 October 2026

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

d2um2qdswy1tb0.cloudfront.net/product-manuals/Cinema-600_Sound-Bar_Manual_v03.pdf2Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Cinema-600_Sound-Bar_Manual_v03.pdfRead 10 October 2026Klipsch Cinema 600 Sound Bar Manual v03, 46 pages in several languages, English first.

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.