Soundbars / Compare

TCL S55H vs ULTIMEA Poseidon M30

A

Product A: TCL

S55H

56 of 98 known

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B

Product B: ULTIMEA

Poseidon M30

48 of 98 known

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Only differences

ATCL S55H

BULTIMEA Poseidon M30

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.

2.11Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Product title and spec table: 2.1 channel sound bar system with wireless subwoofer.

2.11Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Key specs: Speaker Channels 2.1.

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.

31Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table lists Total Speakers 3 for the 2.1 system.

31Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Key specs: Total Number of Speakers 3.

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.

22Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Not published directly. Derived from the maker's Total Speakers 3 minus the single 5.5 inch subwoofer driver. The bar driver layout is not published.

21Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Key specs: Drivers Mainbar 2.25 inch x 2 + 5.25 inch x 1, so two drivers in the bar. Overview: 3 Delicate Speakers, Mica Material.

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.

07Press articlegizmodo.com/tcl-soundbar-now-priced-like-budget-earbuds-and-the-wireless-subwoofer-is-basically-free-dolby-atmos-dtsx-auto-room-calibration-2000777326Read 15 October 2026Gizmodo says Dolby Atmos is handled virtually, with no upward-firing drivers. Maker documents list no up-firing drivers.

Not available

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.

ATCL S55H

Component	Driver type	Count	Diameter (mm)
Subwoofer	Woofer	1	139.7

Source2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Only the subwoofer row is stored. The 5.5 inch (139.7 mm) woofer comes from the product page. The sound bar drivers are not described by the maker.

BULTIMEA Poseidon M30

Component	Driver type	Count	Diameter (mm)
Soundbar	Mica-reinforced driver	2	57.15
Subwoofer	Woofer	1	133.35

Source1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Key specs: Mainbar 2.25 inch x 2 and a 5.25 inch driver. 2.25 inch is 57.15 mm and 5.25 inch is 133.35 mm. The overview says the diaphragms are mica. The page does not state driver orientation.

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

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

Yes1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Kit includes a Subwoofer Power Cable and the key specs list a 5.25 inch sub driver. The Amazon listing names a separate wireless subwoofer.

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

Wireless1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

Wireless3Retailer pageamazon.com/dp/B0GHRSHDT1Read 15 October 2026Product information: Subwoofer Connectivity Technology Wireless. The wireless subwoofer connects without audio cables.

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

139.7mm1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Feature text: wireless subwoofer with a 5.5 inch driver. Converted exactly to 139.7 mm.

133.35mm1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Key specs: 5.25 inch, which is 133.35 mm. The 18 mm figure on the Amazon listing is the driver excursion, not the diameter.

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.

02Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Box contents list no rear speakers.

01Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Kit list names no rear speakers. The product is one 2.1 bar with a subwoofer.

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

No1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026The kit list and photos show one bar with no detachable end sections. The Dual-unit Design text describes a segmented speaker layout inside the bar.

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

Not available

Not available

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

Not available

Not available

Total RMS audio output poweriMaker-stated RMS or rated continuous amplifier output for the exact supplied package. Peak or unspecified maximum claims do not qualify. Distortion, load and rating conditions belong in the source note. Power consumption is separate.

56.6W2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Specifications page gives FTC Power Output Rating 26.6 W for the sound bar and 30 W for the subwoofer. The 56.6 W total is their sum. Distortion and load are not stated. Sound bar impedance 8 ohm, subwoofer 4 ohm.

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.

220W1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table Total Audio Power 220 and the feature list say up to 220 watts total power. One overview paragraph on the same page says up to 200 watts. 220 is stored. No rating conditions or RMS label are given.

240W1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Key features: 240W Peak Power. No RMS rating 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.

40Hz2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Subwoofer frequency response is 40 Hz-180 Hz. The lower limit of the system is the subwoofer lower limit.

50Hz1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Key specs: Frequency Range 50Hz-18kHz. The Amazon listing says 45 Hz to 18 kHz. The maker page and the manual agree on 50 Hz, so 50 is stored.

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

20kHz2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Sound bar frequency response is 180 Hz-20 kHz. The upper limit of the system is the sound bar upper limit. No tolerance is stated.

18kHz1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Key specs: Frequency Range 50Hz-18kHz.

Audio formats

4 of 9 differ

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

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

No1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026The page, the box photo and the kit list name no Dolby format.

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

Not available

No1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026The page, the box photo and the kit list name no DTS format.

Supported audio formatsiAudio formats explicitly decoded by the device. Codec and connection restrictions belong in source notes. Bluetooth codecs and music-file formats are separate.

Dolby Atmos1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table Dolby Processing: Dolby Atmos. DTS Virtual:X is listed as a processing feature, not as a decoded format.

Not available

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.

MP3, WMA, WAV, FLAC2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026USB playback supports MP3, WMA, WAV and FLAC on devices up to 64 GB, within 5 folder levels.

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

3 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.

ATCL S55H

Connector	Count	Role
HDMI	1	HDMI eARC/ARC connection to the TV
Optical	1	Digital audio input
3.5 mm audio	1	AUX audio input
USB-A	1	Music playback and firmware update, 5 V 500 mA max
AC power	1	Detachable AC power cord input

Source2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Overview of the Sound Bar: AC input, AUX, HDMI (eARC), optical and USB Type A. USB is 5 V 500 mA max and is also used for firmware updates.

BULTIMEA Poseidon M30

Connector	Count	Role
HDMI	1	HDMI ARC connection to the TV
Optical	1	Digital audio input
Other	1	USB port for audio input, connector type not stated
DC power	1	DC IN for the external power adapter, 18 V 2 A

Source1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Key specs connectivity: Optical x 1, USB Port x 1, HDMI x 1, Power Input 18V/2A. The page does not state the USB connector type.

HDMI ARC

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

Yes1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Setup text: connect HDMI between TV and soundbar, then press ARC on the remote. The Amazon listing names HDMI ARC.3Retailer pageamazon.com/dp/B0GHRSHDT1Read 15 October 2026Connectivity Technology: HDMI ARC, Optical, Bluetooth 6.0.

HDMI eARC

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table lists HDMI eARC with the value 2.0. The meaning of 2.0 is not explained, so no port version is stored.

No3Retailer pageamazon.com/dp/B0GHRSHDT1Read 15 October 2026The maker brand listing names the port HDMI ARC and makes no eARC claim. The maker page says only HDMI x 1.

HDMI-CEC

Yes2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Manual tells the user to enable CEC on the TV for the HDMI eARC connection.

Yes1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Overview: Sync Your Devices with CEC. Control your soundbar and TV with one remote.

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

No1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table: HDMI Input No. The only HDMI connector is the eARC connection to the TV.

No1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026The bar has one HDMI port, used for the ARC link to the TV. The page names no HDMI input for a source device.

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

Not available

Not available

HDR passthrough formats

Not available

Not available

VRR passthrough

Not available

Not available

ALLM passthrough

Not available

Not available

HDCP versioniHighest HDCP version the maker states for an HDMI port of the soundbar, such as 2.3. When the source inputs and the TV output differ, the source input version is stored. A bar with no HDMI input stores the version of its TV output, also when that output carries video from a built-in streaming player.

Not available

Not available

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

Yes2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026

Yes1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026

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

5.32Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Specifications page: Bluetooth 5.3 with A2DP and AVRCP. The product page says 5.2. The manual is used. No codec list is published.

6.01Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Key specs: Bluetooth 6.0.

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

Not available

Not available

Wi-Fi

No6Reviewwhich.co.uk/reviews/sound-bars/tcl-s55hRead 15 October 2026Which? lists No Wi-Fi. The maker manual lists only Bluetooth, USB and wired inputs.

No3Retailer pageamazon.com/dp/B0GHRSHDT1Read 15 October 2026Wireless Technology: Bluetooth 6.0. The maker lists a separate Poseidon M30 Stream with Wi-Fi streaming.

Wi-Fi standardiPublished Wi-Fi standards for the soundbar, written as 802.11 names without IEEE, such as "802.11a/b/g/n/ac/ax". A Wi-Fi generation is written as its standard, so Wi-Fi 5 is "802.11ac" and Wi-Fi 6 is "802.11ax". Do not infer the standard from frequency bands.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Streaming and control

1 of 8 differ

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Microphone mute controliA physical control on the soundbar explicitly disables its built-in voice microphone. State whether this is an electrical switch or software-controlled button when known.

Not available

Not available

Companion apps

TCL Home2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026The sound bar can be fully controlled with the TCL Home app.

Ultimea1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Overview: Smart App Control with the Ultimea App.

Companion app platforms

iOS, Android8Maker product pagesupport.tcl.com/en_US/tcl-home-app-overviewRead 15 October 2026TCL support page says the TCL Home app runs on iOS 10.0 or higher and Android 5.0 or higher. The manual says to download the app from the app stores. The support page lists air conditioning and air purifier products and does not name sound bars. The S55H manual says the sound bar can be fully controlled with the TCL Home app.

iOS, Android7Maker product pageultimea.com/pages/appRead 15 October 2026The Ultimea App page shows App Store and Google Play download badges. The M30 box photo carries the same badges.

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

Not available

Not available

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

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table: Remote Control Yes, with 2 AAA batteries.

Yes1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Kit includes: x1 Remote Control. Key specs: Remote Control Type IR Signal.

Sound processing

5 of 7 differ

Sound modes

Standard, Movie, Music, Voice, Game, Sports2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Remote cycles Standard, Movie, Music, Voice, Game and Sports. Separate Surround Enhance and Voice Enhance levels exist.

Movie, Music, Voice, Sport, Game, Night1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Key specs: Listening Modes (EQ) Movie, Music, Voice, Sport, Game, Night.

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 pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

Not available

Room calibration system

TCL AI Sonic-Adaptation2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Remote key opens the AI Sonic-Adaptation menu with Position 1, 2, 3 and OFF scenes. Scenes take effect only after being set in the TCL Home app.

Not available

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

Yes2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Voice mode and a Voice Enhance key on the remote.

Yes1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Overview: Crystal-Clear Dialogue, Voice MX enhances vocal clarity by dynamically optimizing speech frequencies.

Night mode

Yes2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Night Mode key on the remote.

Yes1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Key specs: Night is one of the listening modes.

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

Bass, Treble2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Treble and bass keys on the remote.

10-band equalizer (app)1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Overview: 10 Bands Equalizer Settings in the Ultimea App and 121 preset EQ matrices.

TV speaker integrationiNamed features allowing compatible television speakers to play with the bar. TV models and connection requirements belong in source notes.

TCL Tutti Choral2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026TCL Tutti Choral adds an Internal Speaker+Sound Bar (HDMI) TV output option. It works with some TCL TVs only. The launch release calls a related feature TV as Center Channel Mode.

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.

38W2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Sound bar power consumption 38 W. The subwoofer is listed separately at 50 W.

Not available

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

0.5W2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Published as < 0.5 W after a 3 second long press of the power button. The manual also lists < 2 W with the TCL Home app on after 19 minutes without signal. That figure is not stored as networked standby.

0.5W4Owner's manualmanuals.plus/ultimea/poseidon-m30-2-1-channel-soundbar-with-wireless-subwoofer-manualRead 15 October 2026Copy of the user manual power section: standby below 0.5 W. Stored as 0.5 and published as below 0.5. Read from a search excerpt of the page.

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

Not available

Not available

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

Sound bar: AC 100-240 V, 50/60 Hz. The wireless subwoofer has its own power cord, AC 100-240 V, 50/60 Hz.2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Sound bar and subwoofer each list AC 100-240 V, 50/60 Hz.

Soundbar: external power adapter, DC 18 V 2 A. Wireless subwoofer: AC 100-240 V, 50/60 Hz, own power cable.1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Key specs: Power Input 18V/2A for the soundbar. The kit has a Power Adaptor and a Subwoofer Power Cable, so the subwoofer has its own mains power. The manual copy gives the subwoofer input as 100-240 V AC.4Owner's manualmanuals.plus/ultimea/poseidon-m30-2-1-channel-soundbar-with-wireless-subwoofer-manualRead 15 October 2026Copy of the user manual: Power supply DC 18V 2A (Soundbar), 100-240V~50/60Hz AC (Subwoofer). Read from a search excerpt of the page.

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

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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.

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

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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.

Width810Height59.9Depth98mm(31.9 × 2.4 × 3.9 in)2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Published as 31.89 x 2.36 x 3.86 in (W x H x D). Converted exactly and rounded to 0.1 mm.

Width600Height70Depth90mm(23.6 × 2.8 × 3.5 in)4Owner's manualmanuals.plus/ultimea/poseidon-m30-2-1-channel-soundbar-with-wireless-subwoofer-manualRead 15 October 2026Copy of the UC000 user manual, specification section: Soundbar 600 x 70 x 90 mm as W x H x D. The maker page prints the same three numbers but labels 70 as depth and 90 as height. The manual order is used because it matches the product photos, where the bar is deeper than it is tall. The page could not be opened directly (HTTP 403), so the figures were read from a search excerpt of the page.

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

2,046g(4.5 lb)2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Published as 4.51 lb. Converted exactly and rounded to 1 g.

1,600g(3.5 lb)1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Size and Weight: Soundbar Weight 3.53 lbs (1.6 kg).

Component dimensions and weightiPublished dimensions and mass for named supplied components, including a bar with detachable rears attached when stated. Each row describes one enclosure, not the pair, unless the component label explicitly states a set. Width, height and depth use normal installed orientation.

ATCL S55H

Component	Width (mm)	Height (mm)	Depth (mm)	Weight (g)
Subwoofer	195.1	320	195.1	3,062

Source2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Subwoofer 7.68 x 12.6 x 7.68 in (W x H x D) and 6.75 lb, converted exactly. The product page gives the same values.

BULTIMEA Poseidon M30

Component	Width (mm)	Height (mm)	Depth (mm)
Subwoofer	300	200	150

Source4Owner's manualmanuals.plus/ultimea/poseidon-m30-2-1-channel-soundbar-with-wireless-subwoofer-manualRead 15 October 2026Copy of the UC000 user manual: Subwoofer 300 x 200 x 150 mm as W x H x D. The maker page gives 150 (W) x 300 (D) x 200 (H) mm for the same box. Height agrees. The manual order is used. No subwoofer weight is published.

Package dimensions

Width875Height257Depth326.9mm(34.4 × 10.1 × 12.9 in)1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table Package Size (WxHxD) 34.45 x 10.12 x 12.87 in. Converted exactly and rounded to 0.1 mm.

Width335Height437Depth197mm(13.2 × 17.2 × 7.8 in)1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Packaging Dimensions: 335 (W) x 437 (H) x 197 (D) mm. The manual gives the same figures as W x H x D.

Package weightiShipping package including supplied components and packaging.

6,754g(14.9 lb)1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table Package Weight 14.89 lb. Converted exactly and rounded to 1 g.

Not available

Wall mountable

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

Yes1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Kit includes wall brackets and a wall mounting kit. Overview: place it on a desk or mount it on the wall.

In the box

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In the box

Sound bar, Wireless subwoofer, Remote control, 2 AAA batteries, 2 power cords, HDMI cable, 2 wall mount brackets, 2 wall mounting screws (M5 x 40 mm), 2 wall anchors, Wall mount template, Warranty card, Manual2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026Manual What is in the box. The product page spec table also lists an RCA 3.5 mm cable as Yes, which the manual does not show. The manual says the audio cable is not supplied. The cable is left out.

Soundbar, Wireless subwoofer, Power adapter, Subwoofer power cable, HDMI cable, Remote control, 2 wall brackets, 2 mounting screws, 4 wall mounting kits, User manual1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Kit includes: Power Adaptor, Subwoofer Power Cable, HDMI Cable, Remote Control, Wall Mounting Kit x4, Mounting Screw on Speakers x2, Wall Bracket x2, User Manual. The Amazon listing names the soundbar and the wireless subwoofer.

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

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table: Wall Mount kit Yes. The manual shows 2 brackets, 2 screws, 2 anchors and a template.

Yes1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Kit includes: x2 Wall Bracket and x4 Wall Mounting Kit.

HDMI cable included

Yes1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table lists an HDMI cable and the product page says free HDMI cable.

Yes1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026Kit includes: x1 HDMI Cable.

Optical cable included

No1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table: Optical Cable No. The manual box contents list no optical cable.

No1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026The kit list names no optical cable.

General

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Series

S Class1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026Spec table title: TCL S Class - S55H.

Poseidon1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026

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

S55H1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

UC000, UC000US10-US2Maker product pageultimea.com/products/poseidon-m30-2-1-soundbar.jsonRead 15 October 2026Maker store variant SKU UC000US10-US. UC000 is the model number on the Amazon listing and in the user manual.3Retailer pageamazon.com/dp/B0GHRSHDT1Read 15 October 2026Item details: Model Number UC000, Model Name Poseidon M30, sold by the ULTIMEA Store.

GTIN / EAN

Not available

8500563113802Maker product pageultimea.com/products/poseidon-m30-2-1-soundbar.jsonRead 15 October 2026Maker store variant barcode 850056311380 for the US variant.

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

13 May 20245Press articleaphnetworks.com/news/28662-tcl-reveals-2024-soundbars-dolby-atmos-and-auto-calibrationRead 15 October 2026Article of 2024-05-13 reports the TCL announcement of the 2024 sound bars.

Not available

Status

Available1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

Available1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026The US maker store lists the soundbar at $79.99 with an Add to Cart button.

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

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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.

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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.

$219.994Press articlegstylemag.com/2024/05/15/tcl-2024-sound-bars-dolby-atmosRead 15 October 2026The S55H is available for 219.99 USD MSRP. US price, tax treatment not stated.

Not available

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

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.

US4Press articlegstylemag.com/2024/05/15/tcl-2024-sound-bars-dolby-atmosRead 15 October 2026US launch.

US1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026US store page. The only variant is Shipping Region US.

ColoursiThe maker's own colour names

Not available

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Links

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Product page

us.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streaming1Maker product pageus.tcl.com/products/tcl-s55h-s-class-2-1-channel-sound-bar-with-dolby-atmos-wireless-subwoofer-and-bluetooth-music-streamingRead 15 October 2026

www.ultimea.com/products/poseidon-m30-2-1-soundbar1Maker product pageultimea.com/products/poseidon-m30-2-1-soundbarRead 15 October 2026

Spec sheet

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Manual

static.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdf2Owner's manualstatic.helpjuice.com/helpjuice_production/uploads/upload/image/5306/6031216/S55H-US_UM_V2.2_20260106.pdfRead 15 October 2026S55H-US_UM_V2.2, dated 2026-01-06.

support.ultimea.com/hc/en-us/articles/55656524216473-Poseidon-M30-User-Manual5Owner's manualsupport.ultimea.com/hc/en-us/articles/55656524216473-Poseidon-M30-User-ManualRead 15 October 2026Maker support article Poseidon M30 User Manual with the PDF downloads. The page returns a bot check to scripted requests, so it was not opened. The title and the link come from a search result.

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.

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Not available

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.

1year3Maker product pagetclusa.helpjuice.com/tcl-sound-bar-warranty-informationRead 15 October 2026TCL North America sound bar warranty: one year for parts and labor for non-commercial use, for units bought new from an authorized dealer in the US or Canada.

1year6Maker product pageultimea.com/pages/warranty-policyRead 15 October 2026Warranty Period by Region: United States and Canada 1 year. The EU is 2 years.

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