Soundbars / Compare

Polk Audio Signa S4 vs Sony BRAVIA Theatre Bar 6

A

Product A: Polk Audio

Signa S4

50 of 98 known

Change Polk Audio Signa S4

Compare the Sony BRAVIA Theatre Bar 6 with

Search soundbars

B

Product B: Sony

BRAVIA Theatre Bar 6

56 of 98 known

Change Sony BRAVIA Theatre Bar 6

Compare the Polk Audio Signa S4 with

Search soundbars

All 98 fields

Every value links to where we found it.

Only differences

APolk Audio Signa S4

BSony BRAVIA Theatre Bar 6

Audio system

4 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.

3.1.22Maker 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.

3.1.21Maker product pageelectronics.sony.com/audio/soundbars/all-soundbars/p/htb600Read 8 October 2026Maker-stated 3.1.2 configuration of bar plus supplied wireless subwoofer. Virtual surround processing does not add physical rear speakers.

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.

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.

64Maker product pagesony.jp/home-theater/products/archive/HT-B600/spec.htmlRead 8 October 2026Maker directly labels 6 Speaker Units for exact supplied 3.1.2 package. Five in bar plus one sub driver. Passive radiators, virtual surrounds and optional products excluded.

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.

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

51Maker product pageelectronics.sony.com/audio/soundbars/all-soundbars/p/htb600Read 8 October 2026US maker About This Item explicitly three front-firing speakers and dual up-firing speakers. Physical five-driver bar, separately corroborated by exact JP inventory of 2 front + 1 center + 2 up. No conversion from output-channel count.

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.

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

21Maker product pageelectronics.sony.com/audio/soundbars/all-soundbars/p/htb600Read 8 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.

APolk 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.

BSony BRAVIA Theatre Bar 6

Component	Driver type	Count	Diameter (mm)	Orientation
SA-B600 front left/right	Full-range cone, 46 x 54 mm	2	Not available	Front-firing
SA-B600 center	Full-range cone, 46 x 54 mm	1	Not available	Front-firing
SA-B600 top	Full-range cone, 46 x 54 mm	2	Not available	Up-firing
SA-WB600	Cone subwoofer	1	160	Not available

Source4Maker product pagesony.jp/home-theater/products/archive/HT-B600/spec.htmlRead 8 October 2026Exact JP front full-range 2, center full-range 1, top 2, all 46 x 54 mm, sub 160 mm. English guide printed 64–65 calls each cone type. Exact US B&H explicitly full-range 2 up + 3 front, one 160 mm sub driver. Rectangular 46 x 54 is retained as type description, not diameter.

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

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

Yes1Maker product pageelectronics.sony.com/audio/soundbars/all-soundbars/p/htb600Read 8 October 2026

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

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

Wireless5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 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.

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.

160mm5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026

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.

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.

08Reviewwhathifi.com/tv-home-cinema/soundbars/sony-bravia-theatre-bar-6Read 8 October 2026Exact review bar + wireless sub two-unit package, lacks discrete rears. TechRadar exact spec No Rears and guide full content corroborate.

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.

Not available

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.

Not available

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.

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

5 of 9 differ

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

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

Yes1Maker product pageelectronics.sony.com/audio/soundbars/all-soundbars/p/htb600Read 8 October 2026Playback via TV return-audio link under original guide port limits. No dedicated HDMI source input in bar.

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

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.

Yes1Maker product pageelectronics.sony.com/audio/soundbars/all-soundbars/p/htb600Read 8 October 2026eARC decoding per original guide. Does not imply optical/ARC DTS:X decoding or DTS:X physical rears.

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.

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.

LPCM 2ch, LPCM 5.1ch, LPCM 7.1ch, Dolby Digital, Dolby TrueHD, Dolby Digital Plus, Dolby Atmos, Dolby Atmos over Dolby TrueHD, Dolby Atmos over Dolby Digital Plus, DTS, DTS-ES Discrete 6.1, DTS-ES Matrix 6.1, DTS 96/24, DTS-HD High Resolution Audio, DTS-HD Master Audio, DTS:X5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Printed 67 original guide supported-codec table visually inspected. Full listed decoding excludes MPEG-2/4 AAC because manual regional caveat prevents unconditional US assignment. Current US/JP specification tables incorrectly claim optical DD+/Atmos, rejected in favor of guide.

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.

APolk 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.

BSony BRAVIA Theatre Bar 6

Connection	Format	Max input channels
HDMI eARC	LPCM 2ch	2
HDMI eARC	LPCM 5.1ch	6
HDMI eARC	LPCM 7.1ch	8
HDMI eARC	Dolby Digital	Not available
HDMI eARC	Dolby TrueHD	Not available
HDMI eARC	Dolby Digital Plus	Not available
HDMI eARC	Dolby Atmos	Not available
HDMI eARC	Dolby Atmos over Dolby TrueHD	Not available
HDMI eARC	Dolby Atmos over Dolby Digital Plus	Not available
HDMI eARC	DTS	Not available
HDMI eARC	DTS-ES Discrete 6.1	Not available
HDMI eARC	DTS-ES Matrix 6.1	Not available
HDMI eARC	DTS 96/24	Not available
HDMI eARC	DTS-HD High Resolution Audio	Not available
HDMI eARC	DTS-HD Master Audio	Not available
HDMI eARC	DTS:X	Not available
HDMI ARC	LPCM 2ch	2
HDMI ARC	Dolby Digital	Not available
HDMI ARC	Dolby Digital Plus	Not available
HDMI ARC	Dolby Atmos over Dolby Digital Plus	Not available
HDMI ARC	DTS	Not available
HDMI ARC	DTS-ES Discrete 6.1	Not available
HDMI ARC	DTS-ES Matrix 6.1	Not available
HDMI ARC	DTS 96/24	Not available
Optical	LPCM 2ch	2
Optical	Dolby Digital	Not available
Optical	DTS	Not available
Optical	DTS-ES Discrete 6.1	Not available
Optical	DTS-ES Matrix 6.1	Not available
Optical	DTS 96/24	Not available

Source5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Printed 67: eARC all stored codecs. ARC two-channel PCM, DD, DD+, Atmos-over-DD+, DTS, DTS-ES, DTS 96/24. Optical two-channel PCM, DD, DTS, DTS-ES, DTS 96/24. No HDMI input. Max PCM input 2/6/8 channels includes LFE, not output-driver count. Dolby Atmos generic only on eARC, with DD+ transport separately on ARC and eARC. MPEG-AAC regional caveat omitted.

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.

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.

192kHz4Maker product pagesony.jp/home-theater/products/archive/HT-B600/spec.htmlRead 8 October 2026Exact JP HT-B600 wired eARC LPCM row 192 kHz/24 bit, versus ARC/optical 48 kHz/24 bit. This is the published route/codec limit, not a Bluetooth/file-playback or device-wide limit.

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

24bits4Maker product pagesony.jp/home-theater/products/archive/HT-B600/spec.htmlRead 8 October 2026Same JP wired LPCM row: eARC 192 kHz 24 bit, ARC/optical 48 kHz 24 bit. No high-res Bluetooth implication.

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

4 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.

APolk 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.

BSony BRAVIA Theatre Bar 6

Connector	Count	Role
HDMI	1	HDMI OUT to TV with eARC/ARC audio return
Optical	1	TV IN optical audio
USB-A	1	UPDATE, software updates only
AC power	1	Bar AC power inlet

Source5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Printed 7–8 rear connector inventory, 64–65 specifications. Only four bar connectors. USB-A update only, no music-file or USB audio playback claim. Supplied subwoofer separate AC inlet, wireless audio link. No physical subwoofer audio output on bar.

HDMI ARC

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

Yes5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026

HDMI eARC

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

Yes5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026

HDMI-CEC

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

Yes5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026

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

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.

No9Reviewtomsguide.com/audio/soundbars/sony-bravia-theatre-bar-6-reviewRead 8 October 2026Exact own-unit review explicitly only one HDMI port, so no HDMI passthrough. Guide connector inventory independently 0 dedicated source input, one TV return HDMI.

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.

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

Yes5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026

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

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.

5.34Maker product pagesony.jp/home-theater/products/archive/HT-B600/spec.htmlRead 8 October 2026JP exact 5.3, corroborated by exact US maker specifications and US B&H. BLE control/app connection is separate from A2DP received audio.

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

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.

SBC, AAC5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026

Wi-Fi

Not available

No8Reviewwhathifi.com/tv-home-cinema/soundbars/sony-bravia-theatre-bar-6Read 8 October 2026Exact review no Wi-Fi music integration, phone playback Bluetooth only. Bluetooth-linked app internet updates do not establish Wi-Fi radio.

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

Not available

Sony | BRAVIA Connect5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026

Companion app platforms

Not available

Android, iOS6Retailer pagebhphotovideo.com/c/product/1888737-REG/sony_htb600_bravia_theater_bar_6.htmlRead 8 October 2026Exact US HTB600 listing explicitly Android & iOS BRAVIA Connect for adjusting settings and setup.

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

Yes5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026

Sound processing

3 of 7 differ

Sound modes

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

Sound Field On/Off, Voice Mode, Night Mode, Dolby Speaker Virtualizer5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Printed 40–41 surround Sound Field, Voice, Night and explicit Dolby Speaker Virtualizer setting. Printed 51 Sound Field Type setting. Voice Mode disabled when Dolby Speaker Virtualizer and Sound Field are enabled. No fabricated music/movie/game presets.

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

No8Reviewwhathifi.com/tv-home-cinema/soundbars/sony-bravia-theatre-bar-6Read 8 October 2026Exact own-unit review says no automatic calibration. Users manually enter listening distance and ceiling height. Printed 51 manual positioning/output level agrees. Not counted as measured acoustic calibration.

Room calibration system

Not available

Not available

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

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

Yes5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026

Night mode

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

Yes5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026

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

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

Bass level5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Printed 15 remote BASS adjusts bass volume. App Bass level. Position/distance/output level setup is separate from multiband EQ.

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

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.

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.

35W5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Printed 65 bar On 35 W. Subwoofer 20 W excluded. Electrical consumption, not total audio output.

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

0.5W5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Printed 65 bar 0.5 W or less with Bluetooth Standby Off. Maximum published limit, not a measured figure. Network standby separate.

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

Not available

2W5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Printed 65 bar 2 W or less with Bluetooth Standby On. Subwoofer and US support HDMI-CEC-only 0.5 W condition excluded.

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

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

120 V AC, 60 Hz for the US soundbar and supplied subwoofer6Retailer pagebhphotovideo.com/c/product/1888737-REG/sony_htb600_bravia_theater_bar_6.htmlRead 8 October 2026Exact US listing 120 V AC 60 Hz, corroborated by original Sony US reference guide 535063826-11(1), both bar YY2088C1 and sub YY2088C2. No conversion from Japanese 100 V or EU 230 V.7Owner's manualmanuals.plus/m/3a0bbb7ec970d728862fb374308aea3297a96a9ac6e507bb2a514e8e5bf6e18b_optim.pdfRead 8 October 2026Original Sony US two-page Reference Guide 5-063-826-11(1), printed Vietnam 2025, YY2088C1 and YY2088C2 power 120 V AC 60 Hz. This is the original printed document, not generated Manuals+ prose. Web tool primary text readable. Ordinary local download failed and was not bypassed.

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

5 of 6 differ

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.

Width1,046Height60Depth95mm(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.

Width950Height64Depth110mm(37.4 × 2.5 × 4.3 in)5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Printed 65 approximately 950 W x 64 H x 110 D mm bar alone, projection portion excluded, without optional supplied feet. Same US reference guide.

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

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).

3,100g(6.8 lb)5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Printed 65 approximately 3.1 kg bar alone, converted exactly to 3100 g. Excludes 7.7 kg subwoofer, packaging/cables. Feet version published same 3.1 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.

APolk 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.

BSony BRAVIA Theatre Bar 6

Component	Width (mm)	Height (mm)	Depth (mm)	Weight (g)
SA-WB600 supplied subwoofer	210	388	388	7,700
SA-B600 bar with supplied feet	950	77	110	3,100

Source5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Printed 65–66 approximately 950 x 77 x 110 mm/3.1 kg with feet, supplied sub 210 x 388 x 388 mm/7.7 kg. Approximation retained. What Hi-Fi sub W39 D21 cm order conflicts, guide wins.

Package dimensions

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.

Not available

Package weightiShipping package including supplied components and packaging.

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.

Not available

Wall mountable

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.

Yes5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026

In the box

3 of 4 differ

In the box

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.

SA-B600 soundbar, SA-WB600 wireless subwoofer, RMT-AH513U remote control, Two AAA batteries, HDMI cable, AC power cords for bar and subwoofer, Two feet, Foot attachment screws, Wall mounting template, Documents6Retailer pagebhphotovideo.com/c/product/1888737-REG/sony_htb600_bravia_theater_bar_6.htmlRead 8 October 2026US B&H remote + battery, HDMI, feet, AC cords. Exact US Sony support identifies supplied component names and battery inclusion in What's in the Box. Guide 19–20 proves foot quantity 2, foot screws 2, template 1, documents. AC cord count 2 or 4 is regional so no exact cord quantity stored. No optional speaker, wall screws or optical cable added.10Maker product pagesony.com/electronics/support/sound-bars-home-theater-systems-sound-bars-surround-speakers/ht-b600Read 8 October 2026US support specifications box list includes remote control, remote batteries, HDMI cable, AC cord, foot, wall template, warranty card, quick setup guide and reference guide. Original guide and exact US retailer corroborate the package.

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

Not available

No5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Printed 24–30 direct wall screw/keyhole mounting, wall screws and anchors must be obtained separately. Complete supplied content 19–20 has template + foot screws, no separate mounting brackets/mount.

HDMI cable included

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

Yes5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026

Optical cable included

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

No5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Complete supplied content 19–20 has HDMI but no optical cable. Exact US retailer box list corroborates. HDMI and no optical included refers to the standard HTB600 package.

General

5 of 7 differ

Series

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

BRAVIA Theatre1Maker product pageelectronics.sony.com/audio/soundbars/all-soundbars/p/htb600Read 8 October 2026

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

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.

HT-B600, HTB600, SA-B600, SA-WB600, RMT-AH513U, YY2088C6Retailer pagebhphotovideo.com/c/product/1888737-REG/sony_htb600_bravia_theater_bar_6.htmlRead 8 October 2026US exact maker support identifies SA-B600, SA-WB600, RMT-AH513U. Maker page HT-B600 and exact US retailer HTB600. Original US reference guide 535063826-11 states YY2088C. Combined exact reference identifiers, not sibling SA-G700/SA-WG700.7Owner's manualmanuals.plus/m/3a0bbb7ec970d728862fb374308aea3297a96a9ac6e507bb2a514e8e5bf6e18b_optim.pdfRead 8 October 2026Original US Reference Guide front YY2088C. Bar YY2088C1 and sub YY2088C2 in specifications. Main marketed model HT-B600 from maker and US support.10Maker product pagesony.com/electronics/support/sound-bars-home-theater-systems-sound-bars-surround-speakers/ht-b600Read 8 October 2026Exact US support header for HT-B600 lists supplied RMT-AH513U, SA-WB600 and SA-B600. Regional variation is explicitly noted. These names agree with the exact Japanese HT-B600 table. The current US specifications page incorrectly lists older SA-G700 and SA-WG700 names, which are excluded.

GTIN / EAN

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

0272429307596Retailer pagebhphotovideo.com/c/product/1888737-REG/sony_htb600_bravia_theater_bar_6.htmlRead 8 October 2026

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

Not available

2 April 20252Press releasesony.mediaroom.com/2025-04-02-Cinema-is-Coming-Home-Sony-Electronics-Announces-New-BRAVIA-R-Theater-Home-Audio-Products-for-Enhanced-Home-Cinema-ExperienceRead 8 October 2026Sony Electronics April 2, 2025 first launch release. Pricing and availability were still stated as Spring 2025, so this announcement does not establish an exact US retail launch date.

Status

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.

Available1Maker product pageelectronics.sony.com/audio/soundbars/all-soundbars/p/htb600Read 8 October 2026

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.

$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.

Not available

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.

€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.

€4993Press releasesony.de/presscentre/cinema-is-coming-home-die-neuen-sony-bravia-theatre-home-audio-produkte-sorgen-fur-ein-intensiveres-heimkinoerlebnis-z60iayRead 8 October 2026German maker April 2 launch: Bar 6 available April 10, 2025, UVP 499 EUR. Exact country/market scope, not US launch price. Launch release explicitly says Sub 7/Rear 8 not compatible with Bar 6/System 6.

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

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

US, DE1Maker product pageelectronics.sony.com/audio/soundbars/all-soundbars/p/htb600Read 8 October 2026Reference US Black HT-B600 currently sold by maker. Same marketed HT-B600 in Germany is supported by separate maker launch source. Region-specific mains/box facts stay US.

ColoursiThe maker's own colour names

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

Black4Maker product pagesony.jp/home-theater/products/archive/HT-B600/spec.htmlRead 8 October 2026

Links

Not compared

Product page

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

electronics.sony.com/audio/soundbars/all-soundbars/p/htb6001Maker product pageelectronics.sony.com/audio/soundbars/all-soundbars/p/htb600Read 8 October 2026

Spec sheet

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

www.sony.jp/home-theater/products/archive/HT-B600/spec.html4Maker product pagesony.jp/home-theater/products/archive/HT-B600/spec.htmlRead 8 October 2026Exact Japanese HT-B600 table identifies SA-B600/SA-WB600 and correct layout, unlike current US specifications page copied SA-G700/SA-WG700 names and invalid HDMI-input/optical formats. Hardware counts/routes corroborated with original same-model English guide and US maker/retailer. Japanese 100 V, package mass/dimensions and local AAC transport capability not assigned to US package.

Manual

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

helpguide.sony.net/ht/2088/v1/en/print.pdf5Owner's manualhelpguide.sony.net/ht/2088/v1/en/print.pdfRead 8 October 2026Current original English guide 2088, HT-B600/HT-BD60 shared document. Marketed reference is HT-B600. No Costco alias/bundle inference. US reference original 535063826-11 separately YY2088C. Same hardware dimensions/ports.

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

1 of 1 differ

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

1year6Retailer pagebhphotovideo.com/c/product/1888737-REG/sony_htb600_bravia_theater_bar_6.htmlRead 8 October 2026Exact US HTB600 listing limited one-year manufacturer warranty, no regional statutory rights or extended plan.

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