Soundbars / Compare

Bose Lifestyle Ultra Soundbar vs Klipsch Flexus Core 300

A

Product A: Bose

Lifestyle Ultra Soundbar

57 of 98 known

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B

Product B: Klipsch

Flexus Core 300

52 of 98 known

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All 98 fields

Every value links to where we found it.

Only differences

ABose Lifestyle Ultra Soundbar

BKlipsch Flexus Core 300

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.

5.1.22Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026Standalone 5.1.2. Expanded 7.1.4 requires additional speakers.

5.1.22Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Speaker system: 5.1.2 Dolby Atmos Soundbar.

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.

91Press releasebose.com/pressroom/bose-lifestyle-collectionRead 8 October 2026

131Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page text counts four front-firing 2.25 in drivers, one 0.75 in horn-loaded tweeter, two 2.25 in up-firing Dolby Atmos drivers, two 2.25 in side-firing drivers and four built-in 4 in subwoofer drivers (two pairs). Total 13.

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.

91Press releasebose.com/pressroom/bose-lifestyle-collectionRead 8 October 2026

131Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Same driver inventory. All drivers are in the bar. No subwoofer or rear speaker is supplied.

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.

21Press releasebose.com/pressroom/bose-lifestyle-collectionRead 8 October 2026

21Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page text names two up-firing Dolby Atmos drivers. The spec sheet table also lists the four 4 in woofers under its up-firing row. That grouping is not clear, so only the two Atmos drivers are counted.

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.

ABose Lifestyle Ultra Soundbar

Component	Driver type	Count	Orientation
Soundbar	Full-range driver	4	Front-firing
Soundbar	Full-range driver	2	Up-firing
Soundbar	Tweeter	1	Center
Soundbar	PhaseGuide driver	2	Not available

Source1Press releasebose.com/pressroom/bose-lifestyle-collectionRead 8 October 2026Six full-range drivers: two up-firing and four front-facing. One center tweeter and two PhaseGuide drivers.

BKlipsch Flexus Core 300

Component	Driver type	Count	Diameter (mm)	Orientation
Soundbar	Paper cone driver	4	57.15	Front-firing
Soundbar	Horn-loaded tweeter	1	19.05	Front-firing
Soundbar	Discrete full-range Dolby Atmos driver	2	57.15	Up-firing
Soundbar	Paper cone driver	2	57.15	Side-firing
Soundbar	High-output paper cone built-in subwoofer driver	4	101.6	Not available

Source1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Sizes are the page and spec sheet inch figures converted at 25.4 mm per inch. The spec sheet narrative says 2.5 in side-firing drivers while its table and the page say 2.25 in. The table figure is stored. Orientation of the four 4 in woofers is not stated clearly.

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

No3Owner's manualassets.bosecreative.com/m/296273ae4b373fa/original/896207_OG_LSULT-SOUNDBAR_EN.pdfRead 8 October 2026Complete box contents and optional accessory sections.

No2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Included accessories list has no subwoofer. The Flexus subwoofers are separate purchases.

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

Not available

Not available

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

Not available

Not available

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.

03Owner's manualassets.bosecreative.com/m/296273ae4b373fa/original/896207_OG_LSULT-SOUNDBAR_EN.pdfRead 8 October 2026Complete box contents and optional accessory sections.

02Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Included accessories list has no rear speakers. The Flexus surround speakers are separate purchases.

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

No2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Single-piece bar. The included accessories list has no detachable section.

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

Bose Lifestyle Ultra Subwoofer, Bose Bass Module 7002Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026Lifestyle Ultra Subwoofer wired/wireless. Bass Module 700 wired only.

Flexus Sub 100, Flexus Sub 2001Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page offers the Flexus Sub 100 and Sub 200 as expansions. The manual says up to two wireless subwoofers can be added.

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

Bose Lifestyle Ultra Speaker2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026Lifestyle Ultra Speakers. Earlier Surround Speakers and Surround Speakers 700 are incompatible.

Flexus Surr 100, Flexus Surr 2001Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page offers the Flexus Surr 100 and Surr 200 as expansions. The manual says up to two wireless surround speakers can be added.

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

43Hz2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Frequency response 43 Hz - 20 kHz. No tolerance or test condition is given.

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

Not available

20kHz2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Frequency response 43 Hz - 20 kHz. No tolerance or test condition is given.

Audio formats

3 of 9 differ

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

Yes2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Yes1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page: processes Dolby Atmos with built-in up-firing speakers.

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

No8Reviewrtings.com/soundbar/reviews/bose/lifestyle-ultra-soundbarRead 8 October 2026Public standalone review says no DTS audio format support.

Yes2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Text: DTS:X decoding onboard, decoding major audio formats via HDMI input.

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, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, LPCM 2.0, LPCM 5.1, LPCM 7.19Reviewlesnumeriques.com/barre-de-son/bose-lifestyle-ultra-soundbar-p78222/test.htmlRead 8 October 2026Explicit decoded format table. Tidal Connect table conflicts with its prose and maker availability, so not imported. Review also tests optional speakers, whose measurements are not imported.

PCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS, DTS-HD, DTS:X3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Decoding and playback modes page: PCM (LPCM up to 8 channels), Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS, DTS-HD and DTS:X. The page does not tie each format to one input.

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.

Not available

Not available

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

Not available

MP32Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026USB input row: system updates and playback of MP3 files.

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

Not available

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

8 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.

ABose Lifestyle Ultra Soundbar

Connector	Count	Role
HDMI	1	TV audio input through ARC or eARC
USB-C	1	Service only
Ethernet	1	Wired network connection
Subwoofer	1	BASS output for compatible Bose subwoofer
3.5 mm audio	1	DATA service connection
AC power	1	Mains power input

Source3Owner's manualassets.bosecreative.com/m/296273ae4b373fa/original/896207_OG_LSULT-SOUNDBAR_EN.pdfRead 8 October 2026English pages 15-16 rear connector diagrams. USB-C and DATA connector type separately supported by reviews.10Reviewtomsguide.com/audio/soundbars/bose-lifestyle-ultra-soundbar-hands-on-review-finally-a-real-sonos-arc-ultra-rivalRead 8 October 2026Identifies USB-C service, Ethernet, Bass and Data connections.11Reviewstuff.tv/hot-stuff/ive-listened-to-the-bose-lifestyle-ultra-soundbar-and-here-are-my-honest-thoughtsRead 8 October 2026Two 3.5 mm connectors identified as bass and data, not generic stereo audio input.

BKlipsch Flexus Core 300

Connector	Count	Version	Role
HDMI	1	2.1	HDMI IN for a source device with video passthrough
HDMI	1	Not available	HDMI eARC output to the TV
Optical	1	Not available	Digital audio input
USB-C	1	Not available	USB input. The spec sheet says system updates and MP3 playback
Ethernet	1	Not available	Network connection
RCA	1	Not available	SUB OUT subwoofer output
3.5 mm audio	1	Not available	MIC input for the supplied Dirac Live calibration microphone
Other	1	Not available	Flexus transmitter port for the wireless subwoofer and surround dongles
AC power	1	Not available	Mains power input

Source3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Sound bar input/output page 6 shows power, Ethernet, USB-C, SUB OUT, HDMI eARC, HDMI IN, Flexus transmitter port, MIC, optical and a pair button. The spec sheet inputs row says USB-C but its USB input row says Type-A. The manual figure is followed. The pair button is not stored.

HDMI ARC

Yes2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Not available

HDMI eARC

Yes2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Yes3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Manual connection page and display list name the HDMI eARC input.

HDMI-CEC

Yes2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Yes3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Display list shows a CEC on or off toggle for the CEC protocol.

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

No7Reviewsoundguys.com/bose-lifestyle-ultra-soundbar-review-bose-goes-all-in-on-home-theater-157488Read 8 October 2026No additional HDMI passthrough input.

Yes2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Inputs list HDMI 2.1 passthrough and outputs list HDMI Out.

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

ABose Lifestyle Ultra Soundbar

Not available

BKlipsch Flexus Core 300

Width (px)	Height (px)	Refresh rate (Hz)
3840	2160	120

Source4Reviewtechradar.com/televisions/soundbars/klipsch-flexus-core-300-reviewRead 10 October 2026Review states 4K 120 Hz passthrough on the HDMI input. The maker states HDMI 2.1 passthrough only. Chroma, bit depth and HDR conditions are not stated.

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 product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Yes3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Display list shows Bluetooth input and pairing. Version and codecs are not stated.

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

5.32Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Not available

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

SBC, AAC12Retailer pagebeachcamera.com/collections/all-products/products/bose-new-lifestyle-ultra-soundbar-blackRead 8 October 2026Exact standalone Black product specification explicitly lists SBC and AAC.

Not available

Wi-Fi

Yes2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Yes3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Compliance pages describe a play-fi module with 2.4 GHz and 5 GHz dual bands. Streaming source labels on the display include Cast, AirPlay, Spotify, Tidal and Q Play.

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.

802.11ax10Reviewtomsguide.com/audio/soundbars/bose-lifestyle-ultra-soundbar-hands-on-review-finally-a-real-sonos-arc-ultra-rivalRead 8 October 2026Exact soundbar connectivity specification says Wi-Fi 6. No generation transferred from other Lifestyle products.

Not available

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

Not available

2.4 GHz, 5 GHz3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Compliance pages: play-fi module 2.4G and 5 GHz dual bands.

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

Not available

Not available

Streaming and control

7 of 8 differ

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

Apple AirPlay 2, Google Cast, Spotify Connect2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

AirPlay 2, Google Cast, Spotify Connect, Tidal Connect, QPlay1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page lists built-in connections to Apple AirPlay, Google Cast, TIDAL Connect, QPlay and Spotify Connect. The manual names AirPlay 2 on the display list.4Reviewtechradar.com/televisions/soundbars/klipsch-flexus-core-300-reviewRead 10 October 2026Review: Wi-Fi streaming supports Spotify Connect, Tidal Connect, AirPlay and Google Cast.

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

Amazon Alexa2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026Built-in Alexa where available, Alexa+ ready in US.

Not available

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

Yes2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

No3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026The bar has a MIC input for a supplied wired calibration microphone. No built-in microphone or voice assistant is described.4Reviewtechradar.com/televisions/soundbars/klipsch-flexus-core-300-reviewRead 10 October 2026Review: no voice assistant support and a wired microphone supplied for Dirac Live.

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.

Yes2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Not available

Companion apps

Bose app2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Klipsch Connect Plus1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page names the Klipsch Connect Plus app for EQ presets, custom EQ, Night Mode, Dialogue Boost and volume.

Companion app platforms

iOS, Android2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

iOS, Android1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page offers downloads for iOS and Android.

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

Yes2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Not available

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

No2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Yes2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Included accessories list a BLE backlit remote control.

Sound processing

4 of 7 differ

Sound modes

SpeechClarity2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Movie, Music3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Display list: Movie (default) and Music modes, Dialog Boost off, low, medium and high, and Night off or on.

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.

Yes2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026CustomTune uses a compatible iOS or Android phone microphone.

Yes1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page: built-in Dirac Live room correction scans the room. A microphone is in the box.

Room calibration system

CustomTune2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Dirac Live1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page: Dirac Live. A public review says the supplied version is basic and a fuller licence costs extra.4Reviewtechradar.com/televisions/soundbars/klipsch-flexus-core-300-reviewRead 10 October 2026Review: Dirac Live calibration uses the supplied wired microphone and takes about ten minutes.5Reviewrtings.com/soundbar/reviews/klipsch/flexus-core-300Read 10 October 2026Public review intro says it is the first model with a basic version of Dirac Live, and the full licence costs extra. Membership-locked measurements were not used.

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

Yes2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Yes1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page: Dialogue Boost in the Klipsch Connect Plus app. The manual lists Low, Medium and High levels.3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Display list: Dialog Boost with three levels.

Night mode

No8Reviewrtings.com/soundbar/reviews/bose/lifestyle-ultra-soundbarRead 8 October 2026Public review explicitly says no night or auto-volume mode. Numeric test results are locked and not used.

Yes1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page: Night Mode in the Klipsch Connect Plus app. The manual shows NGT ON and NGT OFF on the display.3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Display list: NGT OFF and NGT ON.

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

Bass, Treble3Owner's manualassets.bosecreative.com/m/296273ae4b373fa/original/896207_OG_LSULT-SOUNDBAR_EN.pdfRead 8 October 2026Page 23 explicitly lists bass and treble. Center and height channel levels are separate.

Bass level, Three-band EQ, Per-channel level1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page: EQ presets or a custom EQ mix in the app.3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Display list: bass equalizer level -6 to +6. Review text adds a three-band EQ and per-channel levels in the app.4Reviewtechradar.com/televisions/soundbars/klipsch-flexus-core-300-reviewRead 10 October 2026Review: three-band EQ with 6 dB boost or cut and individual channel volumes in the app.

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

Not available

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

0.5W5Maker spec sheet (PDF)assets.bosecreative.com/asset/5bbaa13a-400d-4981-819c-e8cf8fc8e37b/Product_Power_State_Table_for_posting.pdfRead 8 October 2026Page 15: less than 0.5 W, stored value is the upper limit. Bar at 230 V / 50 Hz, all network ports deactivated, microphone on before entering standby.

Not available

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

3W5Maker spec sheet (PDF)assets.bosecreative.com/asset/5bbaa13a-400d-4981-819c-e8cf8fc8e37b/Product_Power_State_Table_for_posting.pdfRead 8 October 2026Page 15: less than 3.0 W, stored value is the upper limit. Bar at 230 V / 50 Hz with all network types active, all wired network ports connected.

2W3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Power consumption page: network standby mode is lower than 2 W. Stored 2 is that upper bound and not an exact draw.

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

100-240 V AC, 50/60 Hz, 96 W input rating3Owner's manualassets.bosecreative.com/m/296273ae4b373fa/original/896207_OG_LSULT-SOUNDBAR_EN.pdfRead 8 October 2026Page 6 electrical input rating, not operating consumption or amplifier output.

Not available

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

Not available

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

Not available

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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

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

Not available

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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

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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

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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

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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.

Not available

Width1,372Height78Depth126mm(54 × 3.1 × 5 in)2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Dimensions 3 1/16 in (7.8 cm) H x 54 in (137.2 cm) W x 4 15/16 in (12.6 cm) D. Metric figures as printed.

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

Not available

8,500g(18.7 lb)2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Weight 18.7 lbs (8.5 kgs). Stored from the kilogram figure.

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.

ABose Lifestyle Ultra Soundbar

Component	Width (mm)	Height (mm)	Depth (mm)	Weight (g)
Speaker	1,099.4	67.3	125	6,500
Entire product system	1,099.4	92.3	125	6,690

Source4Maker product pagebose.co.jp/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026Technical Specifications rows preserved with maker labels Speaker and Entire Product System. Extra component scope is not explained. Neither row proves complete bar dimensions or mass in normal tabletop use.

BKlipsch Flexus Core 300

Not available

Package dimensions

Not available

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Package weightiShipping package including supplied components and packaging.

Not available

Not available

Wall mountable

Yes2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Yes2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Mounting options: 1/4 x 20 threaded insert and an optional slim-depth wall bracket sold separately.

In the box

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In the box

Lifestyle Ultra Soundbar, Power cord, HDMI cable, Quick start guide2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Sound bar, Remote control with 2 AAA batteries, Power cord (2.0 m, region specific), HDMI cable (1.5 m), Wired microphone, User manual2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Included accessories: BLE backlit remote, 2.0 m power cord (region specific), 1.5 m HDMI cable, 2 AAA batteries and user manual. The manual's Inside page also shows a microphone.3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Inside page shows sound bar, remote, power cord, HDMI cable and a microphone.

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

No2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

No2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026The wall bracket is optional and sold separately. It is not in the included accessories list.

HDMI cable included

Yes2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Yes2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Included accessories list a 1.5 m HDMI cable.

Optical cable included

No2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

No2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026No optical cable is in the included accessories list.

General

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Series

Lifestyle1Press releasebose.com/pressroom/bose-lifestyle-collectionRead 8 October 2026

Flexus1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Maker names the product line Flexus. The Core 300 sits above the Core 200 and Core 100.

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

443535, 892930-11003Owner's manualassets.bosecreative.com/m/296273ae4b373fa/original/896207_OG_LSULT-SOUNDBAR_EN.pdfRead 8 October 2026Page 6 regulatory model 443535. Retail model separately corroborated.6Retailer pageadorama.com/bose-lifestyle-ultra-soundbar-bluetooth-home-theater-speaker/p/bo89293011Read 8 October 2026Black US retail maker SKU 892930-1100.

1072083, 1072084, 10720852Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Model table lists SKU 1072083 (NA), 1072084 (EUA) and 1072085 (CCC). Region names are as printed.

GTIN / EAN

0178178589156Retailer pageadorama.com/bose-lifestyle-ultra-soundbar-bluetooth-home-theater-speaker/p/bo89293011Read 8 October 2026Exact Black US UPC 017817858915.

743878066692, 743878066708, 7438780667152Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Model table lists UPC 743878066692 for NA, EAN 0743878066708 for EUA and 0743878066715 for CCC. Stored in the 12-digit UPC form with the leading zero removed from the EANs.

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

5 May 20261Press releasebose.com/pressroom/bose-lifestyle-collectionRead 8 October 2026

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Status

Available2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

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

Bose Smart Ultra Soundbar2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

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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

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

$1,0991Press releasebose.com/pressroom/bose-lifestyle-collectionRead 8 October 2026US launch price excluding sales tax.

$1,199.994Reviewtechradar.com/televisions/soundbars/klipsch-flexus-core-300-reviewRead 10 October 2026Review lists $1,199.99 for the Core 300 soundbar alone, in US dollars. The subwoofer and surround speakers are priced separately. Tax is not included.

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

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

US, JP2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 20264Maker product pagebose.co.jp/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

Not available

ColoursiThe maker's own colour names

Black, White Smoke1Press releasebose.com/pressroom/bose-lifestyle-collectionRead 8 October 2026

Ebony Vinyl2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Finish row: Ebony Vinyl. A walnut version appears on the maker page but its finish name and SKU are not in the spec sheet.

Links

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Product page

www.bose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.html2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026

www.klipsch.com/products/flexus-core-3001Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026

Spec sheet

Not available

d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdf1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026

Manual

assets.bosecreative.com/m/296273ae4b373fa/original/896207_OG_LSULT-SOUNDBAR_EN.pdf3Owner's manualassets.bosecreative.com/m/296273ae4b373fa/original/896207_OG_LSULT-SOUNDBAR_EN.pdfRead 8 October 2026

d2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdf1Maker product pageklipsch.com/products/flexus-core-300Read 10 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

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Warranty

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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.

1year2Maker product pagebose.com/p/home-theater/bose-lifestyle-ultra-soundbar/LSULT-SOUNDBAR.htmlRead 8 October 2026One-year limited warranty for new products directly from Bose US.

2years3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Sound bar warranty page for Flexus Core 100, 200 and 300, US: two years from the date of purchase.

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