Soundbars / Compare

Marshall Heston 120 vs Sennheiser AMBEO Soundbar Plus

A

Product A: Marshall

Heston 120

58 of 98 known

Change Marshall Heston 120

Compare the Sennheiser AMBEO Soundbar Plus with

Search soundbars

B

Product B: Sennheiser

AMBEO Soundbar Plus

75 of 98 known

Change Sennheiser AMBEO Soundbar Plus

Compare the Marshall Heston 120 with

Search soundbars

All 98 fields

Every value links to where we found it.

Only differences

AMarshall Heston 120

BSennheiser AMBEO Soundbar Plus

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.

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

7.1.43Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Maker-advertised virtual 7.1.4 sound field. Does not describe physical channel or driver count. The reference package is the standalone bar.

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.

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.

93Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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.

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

93Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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

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.

23Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Plus: two full-range speakers explicitly called top-firing on pp.9 and 25. The top-positioned woofers are excluded from this directional height count.

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.

AMarshall 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.

BSennheiser AMBEO Soundbar Plus

Component	Driver type	Count	Diameter (mm)	Orientation
Soundbar	Full-range aluminum cone	3	50	Front left, center and right
Soundbar	Full-range aluminum cone	2	50	Side left and right
Soundbar	Full-range aluminum cone	2	50	Up-firing left and right
Soundbar	Inverse cone cellulose woofer	2	100	Top left and right

Source3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Speaker quantities, locations and centimetre diameters from the exact-model specifications on p.78.

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

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.

No3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Built-in woofers are included. The separate AMBEO Sub is optional, not part of this package.

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.

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

03Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Standalone bar package, no separate rear enclosures.

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

Not available

Not available

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

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

No3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Fixed one-piece bar with no detachable rear enclosures, shown in product overview and package contents.

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

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.

Sennheiser AMBEO Sub3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Up to four wireless AMBEO Subs can be added separately. Optional subs contribute no specifications to this reference package.

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

400W3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Maker total audio power explicitly RMS for the standalone bar, p.78.

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.

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.

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.

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.

38Hz3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Maker response limit at -3 dB, standalone bar.

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

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

20kHz3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Maker response limit at -3 dB, standalone bar.

Audio formats

4 of 9 differ

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

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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

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.

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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 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.

LPCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS, DTS-ES Discrete 6.1, DTS-ES Matrix 6.1, DTS 96/24, DTS-HD High Resolution Audio, DTS-HD Master Audio, DTS-HD LBR, DTS:X, MPEG-H, Sony 360 Reality Audio3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Shared supported surround formats table p.82. Lossless TrueHD and DTS-HD formats require an appropriate digital route.

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.

AMarshall Heston 120

Not available

BSennheiser AMBEO Soundbar Plus

Connection	Format
HDMI eARC	LPCM
HDMI eARC	Dolby Digital
HDMI eARC	Dolby Digital Plus
HDMI eARC	Dolby TrueHD
HDMI eARC	Dolby Atmos
HDMI eARC	DTS
HDMI eARC	DTS-ES Discrete 6.1
HDMI eARC	DTS-ES Matrix 6.1
HDMI eARC	DTS 96/24
HDMI eARC	DTS-HD High Resolution Audio
HDMI eARC	DTS-HD Master Audio
HDMI eARC	DTS-HD LBR
HDMI eARC	DTS:X
HDMI eARC	MPEG-H
HDMI eARC	Sony 360 Reality Audio
HDMI ARC	LPCM stereo
HDMI ARC	Dolby Digital
HDMI ARC	DTS Digital Surround
HDMI ARC	DTS 96/24
HDMI ARC	DTS-ES Discrete/Matrix
Optical	LPCM stereo
Optical	Dolby Digital
Optical	DTS
Optical	DTS-ES Discrete 6.1
Optical	DTS 96/24

Source3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026eARC decoding follows p.82. ARC entries are the unqualified supported combinations from p.32. TV-dependent ARC object/lossless modes are omitted. Optical is Plus only. The optical multichannel LPCM, Dolby Digital Plus, Atmos over DD+, MPEG-H and 360 Reality Audio claims on p.82 conflict with S/PDIF transport limits and are omitted. The ARC table describes calculated speaker layouts, not incoming channel counts. No max_channels cell is inferred from its 5.1, 6.1 or 7.1 values.

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

Not available

DSD, MP3, AAC, HE-AAC, LPCM, FLAC, AIFF, ALAC, Vorbis3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Playable network-streaming file formats p.81. USB is service/power only.

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

192kHz3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Optical S/PDIF input sampling rates up to 192 kHz, p.80. Does not establish the same limit for every codec or route.

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.

AMarshall 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.

BSennheiser AMBEO Soundbar Plus

Connector	Count	Version	Role
HDMI	1	2.1	TV output with ARC and eARC
USB-A	1	Not available	Service updates and 5 V 1 A accessory power
AC power	1	Not available	Power input
HDMI	2	2.0a	Source input
Optical	1	Not available	S/PDIF audio input
RCA	2	Not available	Left and right analog audio input
RCA	1	Not available	Mono powered subwoofer pre-output
Ethernet	1	Not available	Network input

Source3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Physical connector counts p.11 (Plus) or p.12 (Mini) and p.80. Stereo RCA is two sockets. USB is not a music-file input.

HDMI ARC

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

HDMI eARC

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.

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

HDMI-CEC

Not available

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.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.

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 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.

AMarshall 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.

BSennheiser AMBEO Soundbar Plus

Width (px)	Height (px)	Refresh rate (Hz)
3840	2160	60

Source3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026HDMI 2.0a source inputs support up to 4K 60 Hz, p.80. Chroma and bit depth are not stated.

HDR passthrough formats

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

Dolby Vision3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Manual p.80 explicitly lists Dolby Vision passthrough. Other HDR formats are not inferred.

VRR passthrough

Not available

No6Measurementlesnumeriques.com/barre-de-son/sennheiser-ambeo-soundbar-plus-p70753/test.htmlRead 8 October 2026The review explicitly states HDMI inputs do not pass VRR.

ALLM passthrough

Not available

No7Reviewwhathifi.com/news/sennheisers-five-star-dolby-atmos-soundbar-is-back-down-to-its-lowest-price-everRead 8 October 2026The article explicitly says the HDMI passthrough inputs do not support ALLM.

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.

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

2.23Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Plus HDMI source inputs HDCP 2.2, TV eARC output HDCP 1.4, p.80.

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

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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

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

5.03Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 20265.0 Classic/BLE source-audio link. The optional AMBEO Sub link uses 5.2 and does not replace the source version.

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

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.

AAC, SBC3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026AAC and SBC for received Bluetooth audio. LC3 is confined to the optional subwoofer link.

Wi-Fi

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 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.

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

802.11a/b/g/n/ac/ax3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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

Not available

2.4 GHz, 5 GHz3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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

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

100Mbps3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026RJ45 network port rated 100/10 Mbit, p.80.

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.

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

Google Cast, AirPlay 2, Spotify Connect, Tidal Connect, UPnP3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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

Not available

Amazon Alexa, Google Assistant, Apple Siri3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Alexa is built-in and uses bar microphones. Google Assistant requires an external device. Siri casting uses a separate Siri-enabled device via AirPlay, per maker press release. Availability depends on language and region.4Press releasenewsroom.sennheiser.com/the-worlds-most-immersive-sound-7ez2v6Read 8 October 2026Alexa built-in, external Google Assistant device and Siri casting integration. The Mini release makes the separate Siri device route explicit.

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

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Four integrated microphones for room calibration and Alexa.

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Physical Mic Mute touch button. The manual states it mutes the built-in microphones, not an electrical disconnect.

Companion apps

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

Sennheiser Smart Control3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

Companion app platforms

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.

iOS, Android3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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

Not available

Yes6Measurementlesnumeriques.com/barre-de-son/sennheiser-ambeo-soundbar-plus-p70753/test.htmlRead 8 October 2026Connectivity and streaming section explicitly identifies AirPlay 2, Google Chromecast and Alexa Cast as multiroom routes.

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

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.

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

Sound processing

3 of 7 differ

Sound modes

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

Adaptive, Music, Movie, News, Neutral, Sports3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Acoustic measurements with built-in microphones via Smart Control setup.

Room calibration system

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.

AMBEO Self-Calibration3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

Night mode

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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

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.

Foundation, Low-Mid, Clarity and Brilliance3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026User-adjustable Foundation bass, Low-Mid midrange and Clarity and Brilliance treble controls described p.70.

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

2 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.

0.5W2Owner'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.

0.5W3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Upper limit only: standby without a network connection is less than 0.5 W.

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

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.

1.9W3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Standby with network connection is 1.9 W, standalone bar.

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

Not available

100–240 V AC, 50/60 Hz3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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

Not available

Not available

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

Not available

Not available

Measured

1 of 8 differ

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.

AMarshall Heston 120

Not available

BSennheiser AMBEO Soundbar Plus

Connection	Latency (ms)
Bluetooth	485

Source6Measurementlesnumeriques.com/barre-de-son/sennheiser-ambeo-soundbar-plus-p70753/test.htmlRead 8 October 2026Bluetooth latency measured by Les Numériques, standalone bar. Review 6 December 2022, firmware 0.0.62. Source device, codec and measurement compensation settings are not published.

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

4 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.

Width1,100Height76Depth145mm(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.

Width1,051Height77Depth121mm(41.4 × 3 × 4.8 in)3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Maker approximate dimensions including tabletop feet from p.78.

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

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

6,300g(13.9 lb)3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Maker approximate bar weight p.78.

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

Width1,144Height135Depth219mm(45 × 5.3 × 8.6 in)2Maker spec sheet (PDF)files.bbystatic.com/NmMAkVBXKG2LIYiT9ifffA%3D%3D/Spec%2BsheetRead 8 October 2026Single product retail packaging. Outer master carton excluded.

Package weightiShipping package including supplied components and packaging.

Not available

10,000g(22 lb)2Maker spec sheet (PDF)files.bbystatic.com/NmMAkVBXKG2LIYiT9ifffA%3D%3D/Spec%2BsheetRead 8 October 2026Retail package gross weight, not outer carton weight.

Wall mountable

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Optional SB02-WM wall mount, pp.26–27.

In the box

1 of 4 differ

In the box

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.

AMBEO Soundbar Plus, Remote control with CR2032 battery, Premium high-speed HDMI cable, Power cord, Quick guide, Safety guide, Compliance sheet3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

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

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

No3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026SB02-WM is sold separately, not in the bar package.

HDMI cable included

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

Yes3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

Optical cable included

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.

No3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026

General

6 of 7 differ

Series

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

AMBEO1Maker product pageus.sennheiser-hearing.com/products/ambeo-soundbar-plusRead 8 October 2026

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

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.

SB02M, 700144, 7001432Maker spec sheet (PDF)files.bbystatic.com/NmMAkVBXKG2LIYiT9ifffA%3D%3D/Spec%2BsheetRead 8 October 2026US and EU country-specific standalone articles in the Technical Data table. Regional power cords differ. China-specific hardware is excluded.

GTIN / EAN

Not available

4260752330220, 810091270226, 4260752330213, 8100912702192Maker spec sheet (PDF)files.bbystatic.com/NmMAkVBXKG2LIYiT9ifffA%3D%3D/Spec%2BsheetRead 8 October 2026US and EU EAN and UPC codes in the Technical Data table.

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

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.

1 September 20224Press releasenewsroom.sennheiser.com/the-worlds-most-immersive-sound-7ez2v6Read 8 October 2026Maker announcement for the standalone bar.

Status

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.

Available1Maker product pageus.sennheiser-hearing.com/products/ambeo-soundbar-plusRead 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.

$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.

$1,499.954Press releasenewsroom.sennheiser.com/the-worlds-most-immersive-sound-7ez2v6Read 8 October 2026US launch MSRP excluding tax, separate AMBEO Sub excluded.

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

€1,4995Press releasenewsroom.sennheiser.com/immersiver-sound-fur-die-beste-unterhaltungRead 8 October 2026German maker launch consumer recommended retail price, VAT included. Standalone bar only.

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

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

US, EU2Maker spec sheet (PDF)files.bbystatic.com/NmMAkVBXKG2LIYiT9ifffA%3D%3D/Spec%2BsheetRead 8 October 2026

ColoursiThe maker's own colour names

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

Anthracite2Maker spec sheet (PDF)files.bbystatic.com/NmMAkVBXKG2LIYiT9ifffA%3D%3D/Spec%2BsheetRead 8 October 2026

Links

Not compared

Product page

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

us.sennheiser-hearing.com/products/ambeo-soundbar-plus1Maker product pageus.sennheiser-hearing.com/products/ambeo-soundbar-plusRead 8 October 2026

Spec sheet

Not available

files.bbystatic.com/NmMAkVBXKG2LIYiT9ifffA%3D%3D/Spec%2Bsheet2Maker spec sheet (PDF)files.bbystatic.com/NmMAkVBXKG2LIYiT9ifffA%3D%3D/Spec%2BsheetRead 8 October 2026

Manual

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

cdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdf3Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/ambeo-soundbar-plus/Instruction%20manual%20AMBEO%20Soundbar%20system%20SB02/Instruction_manual_AMBEO_Soundbar_system_SB02.pdfRead 8 October 2026Instruction manual version 07/25 A04. Plus specifications pp.78 and 80, Mini pp.79 and 80. Shared audio and network tables pp.81–82. Package contents p.7.

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.

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.

2years1Maker product pageus.sennheiser-hearing.com/products/ambeo-soundbar-plusRead 8 October 2026US maker store includes a two-year manufacturer warranty.

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