Soundbars / Compare

Klipsch Flexus Core 300 vs Marshall Heston 120

A

Product A: Klipsch

Flexus Core 300

52 of 98 known

Change Klipsch Flexus Core 300

Compare the Marshall Heston 120 with

Search soundbars

B

Product B: Marshall

Heston 120

58 of 98 known

Change Marshall Heston 120

Compare the Klipsch Flexus Core 300 with

Search soundbars

All 98 fields

Every value links to where we found it.

Only differences

AKlipsch Flexus Core 300

BMarshall Heston 120

Audio system

7 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 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.

5.1.21Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Configuration 5.1.2 in the maker audio specification.

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.

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.

111Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 202611 drivers facing in different directions per the maker: 2 rear-facing subwoofers, 2 midwoofers, 2 tweeters and 5 full-range drivers. 4 passive radiators are not counted. No separate subwoofer or rear speakers are supplied.

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.

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.

111Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Same 11 drivers. All are in the bar.

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.

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.

21Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Maker page: up-firing tweeters project sound overhead. The spec table lists 2 tweeters of 0.8 in.

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 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.

BMarshall Heston 120

Component	Driver type	Count	Diameter (mm)	Orientation
Soundbar	Full-range driver	5	50.8	Not available
Soundbar	Midwoofer	2	76.2	Not available
Soundbar	Tweeter	2	20.32	Up-firing
Soundbar	Subwoofer, 2 in x 5 in	2	Not available	Rear-facing

Source1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Spec table: subwoofers 2 x 2 in by 5 in, midwoofers 2 x 3 in, tweeters 2 x 0.8 in, full range 5 x 2 in. Inch sizes are converted exactly. The page says the subwoofers face the rear and the tweeters fire up. The midwoofers are described as optimized for lateral sound and side-firing drivers reflect sound off the walls, so their direction is not stored.

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

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.

No1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Two built-in rear-facing subwoofers and four passive radiators. A SUB OUT port connects an optional active subwoofer.

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.

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.

01Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026No rear speakers are in the box.

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.

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.

No1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026The bar has no detachable end sections.

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

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.

Heston Sub 2001Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026The maker sells Heston 120 together with Heston Sub 200 as a bundle. The page also says SUB OUT takes an active subwoofer.

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

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.

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

150W1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Total audio power output 150 W (Peak). The same table lists 11 class D amplifiers, 2 x 50 W and 9 x 30 W, which add up to more than 150 W. The maker does not explain the difference, so only the stated peak total is stored. No RMS figure is published.

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.

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.

40Hz1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Frequency range 40 Hz to 20 kHz. Tolerance is not stated. Maximum sound pressure level is stated as 95 dB and is not stored.

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

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.

20kHz1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026

Audio formats

2 of 9 differ

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

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

Yes1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026

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

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.

Yes1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Immersive audio formats supported: Dolby Atmos, DTS-X. The page FAQ says both Dolby Atmos and DTS:X are supported.

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.

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.

Dolby Atmos, DTS:X1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Only the immersive formats are listed. Other decoded formats are not published.

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.

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.

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

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

10 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 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.

BMarshall Heston 120

Connector	Count	Version	Role
HDMI	1	2.1	HDMI 1 (TV), video output and eARC or ARC audio return
HDMI	1	2.1	HDMI 2 (IN), external source routed through HDMI 1 to the TV
RCA	2	Not available	Stereo audio input, left and right
Subwoofer	1	Not available	SUB OUT for an external active subwoofer, RCA mono
USB-C	1	Not available	Power output, 5 V 500 mA
Ethernet	1	10/100 Mbps	LAN
AC power	1	Not available	Mains power input

Source2Owner's manualassets.ctfassets.net/javen7msabdh/7wNRKI8QhxTx6kluKdqS06/505538018c1a16d4470773b76fb7ea16/Marshall_Heston_120_OLM_2.pdfRead 13 October 2026Back panel: LAN, HDMI 2 (IN), HDMI 1 (TV / EARC / ARC), USB-C power output 5 V/500 mA, RCA input left and right, SUB OUT, mains power input. There is no optical input.

HDMI ARC

Not available

Yes2Owner's manualassets.ctfassets.net/javen7msabdh/7wNRKI8QhxTx6kluKdqS06/505538018c1a16d4470773b76fb7ea16/Marshall_Heston_120_OLM_2.pdfRead 13 October 2026HDMI 1 (TV / EARC / ARC).

HDMI eARC

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.

Yes1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026HDMI spec: HDMI 2.1 eARC. HDMI 1 (TV / eARC / ARC) is the TV connection.

HDMI-CEC

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.

Not available

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

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.

Yes1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026

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

AKlipsch 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.

BMarshall Heston 120

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

Source1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026HDMI spec: 4K 120 Hz. Chroma, bit depth and HDR combinations are not published.

HDR passthrough formats

Not available

Dolby Vision1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026HDMI spec: Supports Dolby Vision. Other HDR formats are not listed.

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

1.41Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026HDMI spec: HDCP 1.4.

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

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.

Yes1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026

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

Not available

5.31Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026

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

Not available

SBC, AAC, LC31Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Codecs row lists SBC, LC3, AAC and further formats. Only the Bluetooth codecs are stored. The press release says Bluetooth LE audio with Auracast is available.

Wi-Fi

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.

Yes1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026

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

802.11ax1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Wireless connectivity: Bluetooth 5.3, Wi-Fi 6. Bands are not published.

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

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.

Not available

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

Not available

100Mbps1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Ethernet spec: 10 / 100 MBit.

Streaming and control

5 of 8 differ

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

AirPlay 2, Google Cast, Spotify Connect, Tidal 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.

AirPlay 2, Google Cast, Spotify Connect, Tidal Connect1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026

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.

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.

Yes1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Microphones: 2 pieces used for room calibration.

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 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.

Marshall1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026

Companion app platforms

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

Android, iOS2Owner's manualassets.ctfassets.net/javen7msabdh/7wNRKI8QhxTx6kluKdqS06/505538018c1a16d4470773b76fb7ea16/Marshall_Heston_120_OLM_2.pdfRead 13 October 2026The manual points to the Marshall app on Google Play and the App Store.

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.

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.

No2Owner's manualassets.ctfassets.net/javen7msabdh/7wNRKI8QhxTx6kluKdqS06/505538018c1a16d4470773b76fb7ea16/Marshall_Heston_120_OLM_2.pdfRead 13 October 2026No remote in the box. The manual says use the TV remote over eARC or the Marshall app.

Sound processing

3 of 7 differ

Sound modes

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.

Music, Movie, Night, Voice1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Movie, Voice, Music and Night modes.

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

Yes1Maker 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.

Yes1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026The page says the app uses room calibration. Two bar microphones are used.

Room calibration system

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.

Room correction2Owner's manualassets.ctfassets.net/javen7msabdh/7wNRKI8QhxTx6kluKdqS06/505538018c1a16d4470773b76fb7ea16/Marshall_Heston_120_OLM_2.pdfRead 13 October 2026Using room correction: app feature named Room correction.

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

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.

Yes1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Voice mode makes dialogue clear.

Night mode

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.

Yes1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Night mode lowers loud sounds and keeps softer details clear, per the manual.

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

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.

Bass, Treble1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Bass and treble knob. The Marshall app adjusts EQ for more bass or treble. Band count is not published.

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

1 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.

Not available

0.5W2Owner's manualassets.ctfassets.net/javen7msabdh/7wNRKI8QhxTx6kluKdqS06/505538018c1a16d4470773b76fb7ea16/Marshall_Heston_120_OLM_2.pdfRead 13 October 2026Power modes: low power mode, Wi-Fi and Bluetooth disabled, below 0.5 W. Stored as the 0.5 W upper bound.

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

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.

2W2Owner's manualassets.ctfassets.net/javen7msabdh/7wNRKI8QhxTx6kluKdqS06/505538018c1a16d4470773b76fb7ea16/Marshall_Heston_120_OLM_2.pdfRead 13 October 2026Power modes: network standby below 2.0 W. Stored as the 2.0 W upper bound.

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

Not available

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

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

2 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.

Width1,372Height78Depth126mm(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.

Width1,100Height76Depth145mm(43.3 × 3 × 5.7 in)1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 20262Owner's manualassets.ctfassets.net/javen7msabdh/7wNRKI8QhxTx6kluKdqS06/505538018c1a16d4470773b76fb7ea16/Marshall_Heston_120_OLM_2.pdfRead 13 October 2026Physical unit table: width 1100 mm, height 76 mm, depth 145 mm. The product details block lists 1100 x 145 x 76 mm in width, depth, height order.

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

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.

7,040g(15.5 lb)1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 20267040 g.

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.

Not available

Not available

Package dimensions

Not available

Not available

Package weightiShipping package including supplied components and packaging.

Not available

Not available

Wall mountable

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.

Yes1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Compatible with the Heston 120 Wall Mount, sold separately.

In the box

1 of 4 differ

In the box

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.

Heston 120 TV soundbar, Quick start guide and legal and safety information, Mains lead, HDMI cable1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Box contents: Heston 120 TV soundbar, quick start guide and legal and safety information, mains lead, HDMI cable.

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

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.

No1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Wall mount is sold separately. The box contents list has none.

HDMI cable included

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.

Yes1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026

Optical cable included

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.

No2Owner's manualassets.ctfassets.net/javen7msabdh/7wNRKI8QhxTx6kluKdqS06/505538018c1a16d4470773b76fb7ea16/Marshall_Heston_120_OLM_2.pdfRead 13 October 2026No optical port and no optical cable in the box.

General

6 of 7 differ

Series

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.

Heston1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026

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

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.

10068871Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026The maker US page lists HESTON 120 BLACK as product 1006887. The default global black item is 1006888 and is not stored as this US model.

GTIN / EAN

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.

Not available

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

Not available

20 May 20253Press releasegroup.marshall.com/2025/05/20/marshall-shakes-up-home-audio-with-the-debut-of-its-first-ever-tv-soundbar-introducing-heston-120Read 13 October 2026Maker release dated 20 May 2025. It says Heston 120 goes on sale from June 3 at Marshall.com.

Status

Not available

Available1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026The maker US page is live and orderable. The maker raised the US price after launch.

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.

$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.

$999.994Press articleandroidcentral.com/accessories/audio/marshall-heston-120-launchRead 13 October 2026Launch report dated 20 May 2025: US price $999.99, tax not included. Tom's Guide gives $999 / £899. The maker later raised the US price to $1,299.99.

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

Not available

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

Not available

US4Press articleandroidcentral.com/accessories/audio/marshall-heston-120-launchRead 13 October 2026US price and US product number.

ColoursiThe maker's own colour names

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.

Black1Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026Colorways: Black.

Links

Not compared

Product page

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

www.marshall.com/us/en/product/heston-1201Maker product pagemarshall.com/us/en/product/heston-120Read 13 October 2026

Spec sheet

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

Not available

Manual

d2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdf1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026

assets.ctfassets.net/javen7msabdh/7wNRKI8QhxTx6kluKdqS06/505538018c1a16d4470773b76fb7ea16/Marshall_Heston_120_OLM_2.pdf2Owner's manualassets.ctfassets.net/javen7msabdh/7wNRKI8QhxTx6kluKdqS06/505538018c1a16d4470773b76fb7ea16/Marshall_Heston_120_OLM_2.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

0 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.

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.

2years5Maker product pagemarshall.com/us/en/policies/warrantyRead 13 October 2026US headphones and speakers policy: two-year limited warranty for purchases through marshall.com or an authorized US dealer. Other channels are excluded.

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