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TCL S551F vs Toshiba C350 Series Fire TV (2025)

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Product A: TCL

S551F

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Product B: Toshiba

C350 Series Fire TV (2025)

61 of 159 known

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Only differences

ATCL S551F

BToshiba C350 Series Fire TV (2025)

General

4 of 9 differ

Series

S Class1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026TCL S Class, S5 Class page. Model row TCL S Class - S551F.

C3501Maker product pagetoshibatv-usa.com/product-page/toshiba-50-class-4k-uhd-smart-fire-tvRead 14 October 2026C350 Series Fire TV.

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

43S551F, 50S551F, 55S551F, 65S551F, 75S551F1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Size selector 43, 50, 55, 65 and 75 inch, with model rows 43S551F to 75S551F. The Google TV S5 (S551G) is a separate product and is not stored. The 2025 S571G and F35 are also separate.

43C350NU, 50C350NU, 55C350NU2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Columns 43C350NU to 85C350NU. Only the 43, 50 and 55 inch are stored. The 65, 75 and 85 inch have 4 HDMI ports and no composite input, which this schema cannot hold per size for video_inputs, so they are left out of this entry.3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026This guide supports 43C350NU, 50C350NU, 55C350NU, 65C350NU, 75C350NU and 85C350NU.

GTIN / EAN

846042090926, 8460420909029Retailer pageamazon.com/dp/B0D4PD799HRead 23 October 2026Item details: Model Number 55S551F, UPC 846042090926, Model Year 2024, 3,908 ratings.10Retailer pageamazon.com/dp/B0D4P1T8RVRead 23 October 2026Item details: Model Number 75S551F, UPC 846042090902.

888143020679, 888143020686, 8881430206932Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026UPC row: 888143020679 (43), 888143020686 (50), 888143020693 (55).4Retailer pageamazon.com/dp/B0DZ85VYD5Read 14 October 202643 inch UPC agrees with the maker's spec sheet.

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

Not available

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Status

Available1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026The 55 inch and 75 inch Amazon listings are live on 2026-10-23. No source says the line is discontinued.

Available1Maker product pagetoshibatv-usa.com/product-page/toshiba-50-class-4k-uhd-smart-fire-tvRead 14 October 2026Listed as New on Toshiba's US site on the access date.5Press articleaftvnews.comRead 14 October 2026Still on sale in the Toshiba USA store and on Amazon on the access date.

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.

$449.991Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Suggested Price on the TCL US page: 43 inch 349.99, 50 inch 399.99, 55 inch 449.99, 65 inch 599.99 and 75 inch 899.99 USD. These are list prices, not the sale prices shown on later captures. Excluding tax.

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.

US1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026TCL US store page and US warranty text.

US2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026US spec sheet issued by Hisense USA Corporation. NU is the US model suffix.

ColoursiThe maker's own colour names

Black9Retailer pageamazon.com/dp/B0D4PD799HRead 23 October 2026Item details: Color Black.

Not available

SegmentiLifestyle is art and design TVs

Standard1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Budget 4K line.

Standard2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Standard Fire TV LED line.

Model yeariThe year the maker sells it as

20241Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026AFTVnews and the Amazon item details give 2024. The TCL page is marked New Model on 2024-06-06.

20252Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Spec sheet is the 2025 version. Amazon lists model year 2025.4Retailer pageamazon.com/dp/B0DZ85VYD5Read 14 October 2026Amazon listing for 43C350NU, Model Year 2025, series C350, UPC 888143020679 (matches the spec sheet).5Press articleaftvnews.comRead 14 October 2026Entries are labelled 2025 Model.

Display

4 of 7 differ

Screen size classiAdvertised diagonal size class. The measured viewable diagonal is listed separately.

55in(139.7 cm)1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026The 55 inch is the reference size. Its Amazon listing has 3,908 ratings and ranks #23 in Smart TVs.

50in(127 cm)2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026

Sizes coverediAdvertised sizes represented by the verified model rows. Other sizes in a maker family may be excluded when their differences cannot be represented.

43, 50, 55, 65, 75in1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Size selector 43, 50, 55, 65 and 75 inch. The 98 inch S550G and the S551G are separate models.8Press articleaftvnews.com/tcl-reveals-its-new-s5-and-q6-4k-fire-tvs-for-2024-the-first-with-fire-os-8-and-a-new-remoteRead 23 October 2026Available in 43, 50, 55, 65 and 75 inch.

43, 50, 55in2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Verified rows are 43, 50 and 55 inch.

Viewable size

54.6in(138.7 cm)1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Viewable Display Size 54.6 inch for the 55 inch. The other sizes read 42.5, 49.5, 64.5 and 74.5 inch on their own pages.

49.5in(125.7 cm)2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Actual screen size measured diagonally: 42.5, 49.5 and 54.6 in.3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Active screen size diagonal 42.5, 49.5 and 54.6 in.

Native resolution

3840 × 2160px1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Resolution 4K Ultra HD (3840 x 2160).

3840 × 2160px2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Screen resolution 4K UHD. The Quick Setup Guide states 3840 x 2160.3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Screen resolution 3840 x 2160.

Pixel density (size class)iCalculated from advertised screen-size class and native resolution. It is not calculated from the measured viewable diagonal.

80.1ppi=CalculatedFrom Screen size class and Native resolution

88.1ppi=CalculatedFrom Screen size class and Native resolution

Screen surface

Not available

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Anti-reflection coating

Not available

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Panel

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Display typeiQLED is a quantum dot LCD without mini LED

LED1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Listed as 4K UHD HDR LED Smart TV with Fire TV. LED Type Direct LED. No quantum dot layer is named.

LED2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Screen type LCD, backlight source LED, QLED No, wide colour gamut No, full-array local dimming No. The backlight layout (direct or edge) is not stated.

Display type (as published)

LED1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Page title: 4K UHD HDR LED Smart TV with Fire TV.

LED2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026

Panel type

Not available

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Backlight

Direct-lit LED1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Backlight Type High Brightness LED Backlight, LED Type Direct LED. No local dimming is stated.

Not available

Local dimmingiThe backlight is dimmed in separate zones. Global dimming of the whole backlight is not local dimming, so it is false.

Not available

Not available

Local dimming zonesiIndependently controlled backlight zones for the exact screen size. Excludes LED count, self-emissive pixels and a series-wide up-to zone claim.

Not available

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Panel maker

Not available

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Panel generation

Not available

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Subpixel layout

Not available

Not available

Native colour depthiNative panel bits per colour channel. A displayed colour count or HDR input bit depth does not establish native panel depth.

Not available

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Native panel refresh rateiPanel refresh rate explicitly stated by the maker. Separate from the highest accepted PC or VRR input rate.

60Hz1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Panel Refresh 60Hz. Motion Rate 240 is a processing claim, not the panel rate.

60Hz2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Native refresh rate 60 Hz. Motion Rate 120 is a processing figure and is not stored.

DCI-P3 coverage (claimed)iGamut area coverage claimed by the maker. State the coordinate system in source notes. Colour volume or colour-ratio claims do not belong here.

Not available

Not available

Rec. 2020 coverage (claimed)iGamut area coverage claimed by the maker. State the coordinate system in source notes. Colour volume or colour-ratio claims do not belong here.

Not available

Not available

Peak HDR brightness (claimed)iMaker upper brightness claim for the stated size or series. Source notes identify screen size, test window and conditions when published.

Not available

Not available

HDR and picture

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HDR formats

Dolby Vision, HDR10, HDR10+, HLG1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026High Dynamic Range (HDR) Format HDR PRO+ (Dolby Vision, HDR10+, HDR10, HLG).8Press articleaftvnews.com/tcl-reveals-its-new-s5-and-q6-4k-fire-tvs-for-2024-the-first-with-fire-os-8-and-a-new-remoteRead 23 October 2026Dolby Vision, HDR10, HLG and HDR10+. HDR10+ is new over the 2023 S4.

Dolby Vision, HDR10, HLG2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026HDR formats: Dolby Vision, Dolby Vision Gaming, HDR10, HLG. No HDR10+. Amazon's 43 inch row lists HDR10+, which the maker does not.

Filmmaker Mode

Not available

Not available

HGiGiHDR tone mapping for games

Not available

Not available

Picture processor

Not available

REGZA Engine ZR1Maker product pagetoshibatv-usa.com/product-page/toshiba-50-class-4k-uhd-smart-fire-tvRead 14 October 2026REGZA Engine ZR. The page's lifestyle paragraph mentions ArtVision and ZRi, which belong to another series and are not used.

Motion interpolation

Yes1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Motion Enhancement Technology: Motion Rate 240 with MEMC Frame Insertion.

Yes2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026MEMC / Frame Insertion: MEMC.

Black frame insertion

Not available

Not available

Ambient light sensoriSensor in the TV that measures room lighting. A remote microphone or a generic auto-brightness setting alone does not establish a fitted light sensor.

Not available

Not available

Calibration software

Not available

Not available

Motion and gaming

4 of 10 differ

Maximum accepted refresh rate per resolution and inputiHighest verified accepted rate without frame skipping at each resolution and input under the source conditions. Preset timing lists alone do not establish a maximum. Source notes identify ports, VRR, PC mode and any restrictions.

ATCL S551F

Maximum accepted refresh rate per resolution and input. The top rate is in bold.

Resolution	HDMI
3840 × 2160Native	60Hz

Source1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Only 3840 x 2160 at 60 Hz over HDMI is stored. The quick start guide lists HDMI signals up to 2160p at 24, 30 and 60 Hz, and the panel is 60 Hz. The overview text also mentions Game Accelerator 120 with up to 120 Hz VRR, which cannot apply to a 60 Hz panel and appears on the S551G, so no VRR is stored.6Owner's manualweb.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdfRead 23 October 2026Page 1 HDMI signal compatibility: 2160p/24/30/60Hz.

BToshiba C350 Series Fire TV (2025)

Not available

Maximum accepted refresh rateiHighest verified accepted input rate across the stored resolution rows. Excludes motion interpolation ratings.

60Hz=CalculatedFrom Maximum accepted refresh rate per resolution and input

Not available

Maximum accepted refresh rate at 4KiHighest verified accepted input rate at the TV's native resolution, under the documented mode conditions. That is 3840 × 2160 on a 4K TV and 7680 × 4320 on an 8K TV.

60Hz=CalculatedFrom Maximum accepted refresh rate per resolution and input and Native resolution

Not available

Adaptive synciSupported VRR protocols and maker-published license tiers. G-SYNC compatibility is not the same as formal NVIDIA certification unless the source explicitly states certification.

Not available

Not available

VRR range per inputiPublished variable refresh rate interval. A maximum without a minimum is not a complete interval. State LFC separately and do not infer a lower limit from it.

Not available

Not available

Low framerate compensation

Not available

Not available

Dolby Vision gaming

Not available

Yes2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Dolby Vision Gaming is in the HDR formats row.

Auto game mode (ALLM)

Yes1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Auto Game Mode (ALLM) in the feature list.

Yes2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026VRR / ALLM: Yes. FreeSync No. G-SYNC compatible No. The VRR protocol and range are not stated, so no VRR technology or range is stored.

Game menu features

Not available

Not available

Input lag (claimed)

Not available

Not available

Measured

None of 25 known

Input lag (measured)iDelay measured by a reviewer for each signal and documented input. Source notes identify the tested size and mode. Missing input, HDR or VRR cells mean the source did not specify them.

Not available

Not available

Input lag at 4K 60 Hz (measured)iLowest measured value with the right settings

Not available

Not available

Input lag at 4K 120 Hz (measured)iLowest measured value with the right settings

Not available

Not available

Input lag at 4K 144 Hz (measured)iLowest measured value with the right settings

Not available

Not available

SDR brightness in a real scene (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

HDR brightness in a real scene (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

HDR brightness per window (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

HDR peak brightness (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Full-screen HDR brightness (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Contrast ratio (measured)iNative, local dimming off. 1000 means 1000:1

Not available

Not available

Contrast with local dimming (measured)i1000 means 1000:1. Measured by a reviewer

Not available

Not available

Infinite contrast (measured)iOLED shows no measurable black level

Not available

Not available

DCI-P3 coverage (measured)iMeasured gamut area coverage. Source notes identify the tested size, picture mode and coordinate system if stated.

Not available

Not available

Rec. 2020 coverage (measured)iReviewer-measured Rec. 2020 gamut area coverage. Source notes identify the tested size, picture mode, method and coordinate system when stated. Excludes colour volume and maker claims.

Not available

Not available

Colour volume at 1,000 nits (measured)iDCI-P3. Measured by a reviewer

Not available

Not available

Colour volume at 10,000 nits (measured)iRec. 2020. Measured by a reviewer

Not available

Not available

Colour accuracy (measured Delta E)iBefore calibration. Measured by a reviewer

Not available

Not available

Gray uniformity deviation (measured)iStandard deviation of brightness on a 50% gray test image, expressed as a percentage. Lower is more uniform. Source notes identify the tested size and method.

Not available

Not available

Colour shift angle (measured)iThe angle where colour washes out

Not available

Not available

Reflections (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Total pixel response time (measured)iTime for a complete pixel transition under the reviewer’s stated method. Source notes identify the refresh rate, tested size and settings.

Not available

Not available

PWM flicker frequency (measured)iOnly when the reviewer found PWM flicker

Not available

Not available

VRR range (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

4:4:4 chroma (measured)iText stays as sharp as on a PC screen

Not available

Not available

Power use SDR (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Smart platform

5 of 12 differ

Smart platform

Fire TV1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Smart TV Fire TV. Fire TV Smart OS with Voice Remote.

Fire TV2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Fire TV.

OS at launch

Fire OS 88Press articleaftvnews.com/tcl-reveals-its-new-s5-and-q6-4k-fire-tvs-for-2024-the-first-with-fire-os-8-and-a-new-remoteRead 23 October 2026The 2024 TCL Fire TVs are the first smart TVs to run Fire OS 8, which is Android 11 based.

Not available

Latest OS

Not available

Not available

OS upgrade support periodiMaker commitment to operating-system upgrades, counted from the stated start date. Source notes distinguish OS upgrades from security patches and availability of firmware files.

Not available

Not available

Chipset

MediaTek MT90268Press articleaftvnews.com/tcl-reveals-its-new-s5-and-q6-4k-fire-tvs-for-2024-the-first-with-fire-os-8-and-a-new-remoteRead 23 October 2026Amazon lists all of these TVs with a quad-core MediaTek MT9026 at 1.53 GHz and a Mali-G52 2EE GPU. The figure comes from Amazon's listing as reported by AFTVnews. RAM and storage are not reported.

Not available

RAM

Not available

Not available

Total internal storageiPublished physical storage capacity. Space available to install apps is smaller and must not be substituted.

Not available

Not available

Voice assistants

Alexa6Owner's manualweb.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdfRead 23 October 2026Step 2 and Step 3: Voice Remote with Alexa, with a microphone and voice button.9Retailer pageamazon.com/dp/B0D4PD799HRead 23 October 2026Title: Alexa Built-in with Voice Remote.

Alexa2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Alexa Built-in through the Alexa Voice Remote.

Hands-free microphone

Not available

No2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Far Field Mic / Hands Free: No.

Casting

AirPlay 21Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Casting Apple Airplay2. Google Cast is not listed.9Retailer pageamazon.com/dp/B0D4PD799HRead 23 October 2026Title: Apple AirPlay 2 Compatibility.

Not available

Smart home

Alexa1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Works With Amazon Alexa.

HomeKit, Alexa2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Works with Apple HomeKit and AirPlay. Alexa Built-in. AirPlay is not stored as a casting option because the sheet does not name AirPlay 2.

Art or ambient mode

Not available

Not available

Tuners

1 of 6 differ

TunersiA tuner the maker calls ATSC with no version is ATSC 1.0. ATSC 3.0 is always named as such.

ATSC 1.0, Analog, Clear QAM1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Tuner Type ATSC, NTSC, Clear QAM. The ATSC version is not stated, so atsc_1 follows the schema rule for a plain ATSC tuner, and NTSC is stored as analog.

ATSC 1.0, Clear QAM, Analog2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026RF antenna type ATSC.3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Receiving system: analog NTSC, digital ATSC and QAM (8VSB 2-69, 64/256 QAM 1-135).

Tuners per broadcast standardiNumber of independent tuners for the specified digital broadcast standard. Analog and satellite counts may differ. Recording also depends on regional software support.

Not available

Not available

Antenna inputs

ATCL S551F

Type	Count
Terrestrial and cable	1

Source1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026RF Input (NTSC, ATSC) 1.

BToshiba C350 Series Fire TV (2025)

Type	Count
Terrestrial and cable	1

Source3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026ANT/CABLE jack for an outdoor VHF/UHF antenna.

CI+ slot

Not available

Not available

Record to USB

Not available

Not available

Broadcast platforms

Not available

Not available

Audio

6 of 9 differ

Physical speaker channelsiMaker channel layout of the built-in speaker system. Excludes virtual surround up-mixing and connected soundbars.

2.01Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Audio Power (Watts) Speakers 20W (2 x 10W), so a stereo pair.

2.02Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Multi-channel audio 2ch.

Physical speaker driversiNumber of built-in sound-producing drivers, including subwoofers and screen actuators. Channel count does not by itself establish driver count.

21Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 202620W (2 x 10W) for 43 to 65 inch and 30W (2 x 15W) for the 75 inch, so two drivers.

Not available

Total built-in speaker poweriPublished total output power of the TV’s built-in speaker system. Excludes optional speakers, soundbars and virtual channels.

20W1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Audio Power (Watts) Speakers 20W (2 x 10W) for the 55 inch. The 75 inch reads 30W (2 x 15W).

16W2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Audio output power 14 W (43), 16 W (50) and 16 W (55). The Quick Setup Guide shows 7+7 and 8+8 W.3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Audio power 7 W + 7 W (43 inch) and 8 W + 8 W (50 and 55 inch).

Built-in subwoofer

Not available

Not available

Up-firing speakers

Not available

Not available

Audio formatsiFormats explicitly decoded by the TV. Virtual speaker processing such as DTS Virtual:X belongs in Audio features. Bluetooth codec direction must be stated before it is listed as a decoder. Dolby Audio (formats not named) is for a maker that lists Dolby Audio without naming the Dolby formats.

Dolby Atmos, Dolby Digital Plus1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Dolby Processing: Dolby Atmos, Dolby Digital+.

Dolby Atmos2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Audio enhancement Dolby Atmos.

eARC passthroughiWhat reaches a soundbar or receiver

Dolby Atmos (Dolby Digital Plus), DTS1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Audio Passthrough: Dolby Atmos, Dolby Digital+, Dolby Digital, DTS, PCM. The port is not named, so only the Atmos in Dolby Digital+ and DTS entries that map to the schema options are stored.

Not available

Audio features

DTS Virtual:X, Enhanced Dialogue Mode1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026DTS Virtual:X Yes. Enhanced Dialogue Mode in the feature list. Audio Effect presets Standard, Music, Movie, Clear Voice, Enhanced Bass.

Not available

Bluetooth headphones

Yes1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Feature list: Bluetooth Personal Audio.

Not available

Connectivity

7 of 14 differ

Video inputsiPhysical input sockets on the exact reference model, grouped only when identical. HDMI revision, accepted 4K rate and link bandwidth are separate claims. Optional connection boxes are excluded unless included. Screen sizes of one line can have other ports, so it is per variant.

ATCL S551F

Type	Port	Count	Max refresh rate at 4K (Hz)	eARC
HDMI	HDMI 1-3	3	60	No
HDMI	HDMI 4 (e)ARC	1	60	Yes
Composite	AV IN (adapter, not included)	1	Not available	Not available

Source1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026The spec text says 3 HDMI (1 with eARC) and one AV input, composite video with left and right audio on an adapter jack. The quick start guide and TCL's own ports photo both show four HDMI ports, HDMI 1 to 3 and HDMI 4 marked (e)ARC, and Amazon lists 4 HDMI ports, so four are stored. HDMI revision and bandwidth are not published.6Owner's manualweb.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdfRead 23 October 2026Step 4, page 8 diagram for 43/50/55/65 inch and for 75 inch: HDMI 1, HDMI 2, HDMI 3, (e)ARC HDMI 4, ANT/CABLE, AV IN adapter, headphone, optical. HDMI signal compatibility on page 1: 480i, 480p, 720p/60Hz, 1080i/60Hz, 1080p/60Hz, 2160p/24/30/60Hz. The AV IN needs an adapter that is not included.7Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/55s551f/55S551F-Ports.pngRead 23 October 2026TCL's own ports photo for the 55S551F shows USB 2.0, HDMI 1, HDMI 2, HDMI 3, HDMI 4 marked (e)ARC, cable and antenna, AV IN adapter, headphone and optical. Four HDMI sockets are visible. The same photo is on Amazon's gallery.11Maker product pagem.media-amazon.com/images/I/61r1mHaKMTL._AC_SL1500_.jpgRead 23 October 2026TCL's rear panel photo in the Amazon gallery for the 55S551F: USB 2.0, HDMI 1, HDMI 2, HDMI 3, HDMI 4 (e)ARC, antenna and cable, AV IN adapter, headphone, optical.

BToshiba C350 Series Fire TV (2025)

Type	Port	Version	Count	eARC
HDMI	HDMI 1	2.0	1	No
HDMI	HDMI 2	2.0	1	No
HDMI	HDMI 3	2.0	1	Yes
Composite	AV IN	Not available	1	Not available

Source2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026HDMI 3 ports (2.0) on 43, 50 and 55 inch with eARC on HDMI 3. RCA composite video and L/R audio input: yes. Per-port bandwidth and 4K rates are not stated.

HDMI ports

4=CalculatedFrom Video inputs

3=CalculatedFrom Video inputs

HDMI ports with 4K 120 Hz

0=CalculatedFrom Video inputs

Not available

Highest HDMI version

Not available

2.0=CalculatedFrom Video inputs

Maximum HDMI link bandwidthiHighest verified link bandwidth in Gbps. An HDMI revision or supported resolution alone does not prove 40 or 48 Gbps.

Not available

Not available

HDMI features

ALLM, eARC1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026HDMI Audio Return Channel (e)ARC and Auto Game Mode (ALLM). CEC is not listed.

ALLM, VRR, eARC, CEC2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026ALLM and VRR from the Game Mode feature text. HDMI-CEC and eARC on HDMI 3 from the ports row.

USB peripheral portsiUSB sockets for media, storage or accessories. Count physical connectors. A connector without a published USB revision must leave the revision empty. The count can differ by screen size within one series, so it is per variant.

ATCL S551F

Connector	USB version	Count
USB-A	2.0	1

Source1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026USB 1 x USB 2.0 for 43 to 65 inch. The 75 inch page says 2 x USB 2.0.6Owner's manualweb.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdfRead 23 October 2026Page 8: one USB 2.0 port on the 43 to 65 inch drawing and two USB 2.0 ports on the 75 inch drawing, each marked 5V 0.5A. The port shape is a USB-A socket in TCL's ports photo.7Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/55s551f/55S551F-Ports.pngRead 23 October 2026Photo: one USB 2.0 type A socket marked 5V 0.5A.

BToshiba C350 Series Fire TV (2025)

Connector	USB version	Count
USB-A	2.0	2

Source2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026USB 2.0: Yes (2 x 2.0). Amazon's 43 inch row says one USB 3.0 port. The maker sheet wins.3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026One USB label is drawn in the port table. The count of 2 comes from the spec sheet.

Ethernet speedi0.1 is 100 Mbit

Not available

Not available

Wi-FiiNewest Wi-Fi generation of this size. Some series change it between sizes.

Wi-Fi 51Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Wi-Fi 5 (802.11ac).

Wi-Fi 52Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Wi-Fi Built In: Wifi 5.

Wi-Fi bands

Not available

2.4 GHz, 5 GHz3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Built-in Wireless feature (2x2, dual band). Dual band is stored as 2.4 GHz and 5 GHz. The bands are not named.

BluetoothiCan differ by screen size within one series, so it is per variant.

5.01Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Bluetooth 5.0.

5.02Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Bluetooth Yes (5.0).

Optical out

Yes1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026SPDIF Digital Audio Optical 1.7Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/55s551f/55S551F-Ports.pngRead 23 October 2026Photo: OPTICAL AUDIO OUT socket.

Yes2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Digital audio output: Digital. The Quick Setup Guide names DIGITAL AUDIO OUT for an optical cable.3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026DIGITAL AUDIO OUT optical jack.

Headphone out

Yes1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Headphone Output 1.7Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/55s551f/55S551F-Ports.pngRead 23 October 2026Photo: headphone socket.

Yes2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Earphone / audio output: Yes.3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026HEADPHONE jack. Headphones with microphones are not supported.

Included connection boxiWhether the TV uses an included external input box. Optional add-on boxes do not change this value.

None6Owner's manualweb.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdfRead 23 October 2026Step 4: every port is on the TV. The guide lists no external box.

None3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026All ports are on the TV.

Remote

0 of 5 differ

Remote control

Yes1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026What's in the Box: Remote Control, Voice Remote.

Yes2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Remote with batteries: Alexa Voice Remote.3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Voice Remote with Alexa is in the box.

Remote connection

Not available

Not available

Remote power

AAA batteries6Owner's manualweb.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdfRead 23 October 2026What's in the box: 2 x AAA batteries for remote.

AAA batteries3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Two AAA batteries go into the Voice Remote with Alexa.

Voice button on remote

Yes1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Easy Voice Control Yes, Voice Remote. The quick start guide calls it the Voice Remote with Alexa, with a microphone and a voice button.

Yes2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Alexa Voice Remote.

Pointer remoteiPoint and click like an air mouse

Not available

Not available

Stand and mounting

4 of 9 differ

Stand

Feet6Owner's manualweb.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdfRead 23 October 2026Step 1: align the stands with the screw holes and secure them with four screws. The 75 inch screws are in the stand bag.

Feet3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Two base stands screwed into the bottom of the TV.

Stand installation positionsiNumber of distinct supported width or height installation configurations. A two-foot stand is not automatically two positions.

Not available

12Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Dual position stand: No for 43, 50 and 55 inch.

Stand height adjustment

Not available

Not available

Space under the screen

Not available

Not available

Distance between feetiOuter edges, widest position

Not available

911mm3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026TV Stand Width as printed: 774 mm (43), 911 mm (50), 990 mm (55).

Stand footprintiOverall width and depth occupied by the stand in the documented installation position. Source notes identify wide, narrow or soundbar height positions.

Not available

Width911Depth274mm(35.9 × 10.8 in)3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026TV Stand Width (W x D): 774 x 226, 911 x 274, 990 x 273 mm.

VESA mount

200 x 2001Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026VESA Wall Mount Pattern 200 x 200 for 43 to 65 inch and 300 x 300 for the 75 inch.6Owner's manualweb.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdfRead 23 October 2026Models of 43, 50, 55 and 65: VESA 200x200. Models of 75: VESA 300x300.

400 x 2002Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026VESA 200x300 (43), 200x400 (50 and 55). The Quick Setup Guide gives the same patterns. Orientation is normalised to the schema options.3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Wall mount hole pattern 200 x 300 (43 inch) and 200 x 400 (50 and 55 inch). Screws M6. Fixing screw length 8.0 to 10.0 mm.

VESA screwiThread size only, such as M6 or M8. Screw length and hole depth go in the source note.

M61Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Screw Size M6 x 12 for 43 to 65 inch and M6 x 16 for the 75 inch.6Owner's manualweb.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdfRead 23 October 20264 M6x12mm screws for 43 to 65 inch and 4 M6x16mm screws for the 75 inch.

M62Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026M6 for all three sizes.3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Wall mount screw size M6 for 43 to 75 inch.

Wall mount included

No1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026The quick start guide says wall mount hardware and accessories are not included.6Owner's manualweb.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdfRead 23 October 2026Optional - To mount on a wall (Wall mount hardware and accessories are not included).

No3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Wall mount bracket (not included). Nuts for a third-party bracket are in the box for 50, 55 and 65 inch.

OLED care

None of 3 known

OLED care

Not available

Not available

Burn-in covered by warranty

Not available

Not available

Burn-in warranty length

Not available

Not available

Dimensions and weight

4 of 5 differ

Dimensions with stand

Width1,226.82Height749.3Depth254mm(48.3 × 29.5 × 10 in)1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026TV with Stand (WxHxD) 48.3 x 29.5 x 10.0 inch, converted exactly.

Width1,119Height692Depth274mm(44.1 × 27.2 × 10.8 in)3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Product Specifications table, mm as printed: 963 x 608 x 226, 1119 x 692 x 274, 1233 x 757 x 273.

Dimensions without stand

Width1,226.82Height711.2Depth71.12mm(48.3 × 28 × 2.8 in)1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026TV without Stand (WxHxD) 48.3 x 28.0 x 2.8 inch, converted exactly.

Width1,119Height649Depth80mm(44.1 × 25.6 × 3.1 in)3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Product Specifications table, mm as printed: 963 x 560 x 74 (43), 1119 x 649 x 80 (50), 1233 x 716 x 80 (55).

Thinnest depth

Not available

Not available

Weight with stand

9.21kg(20.3 lb)1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026TV Weight with Stand 20.3 lbs, converted to 9.21 kg.

10kg(22 lb)3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 20267.8 kg (17.2 lb), 10.0 kg (22.0 lb) and 11.0 kg (24.2 lb). The spec sheet gives 24.3 lb for 55 inch.

Weight without standiWhat the wall mount carries

8.98kg(19.8 lb)1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026TV Weight without Stand 19.8 lbs, converted to 8.98 kg.

9.5kg(20.9 lb)3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 20267.4 kg (16.3 lb), 9.5 kg (20.9 lb) and 10.9 kg (24.0 lb).

Power

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Power supply

Internal6Owner's manualweb.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdfRead 23 October 2026Step 2: connect the power cable to the TV and the wall outlet. There is no adapter.

Internal3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026The power cord plugs into the TV, so the supply is inside it.

On-mode power in SDR (EU label)iOn-mode power demand under the EU energy label test. Match the exact regional model and screen size.

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On-mode power in HDR (EU label)iOn-mode power demand under the EU energy label test. Match the exact regional model and screen size.

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Maximum operating poweriMaker-stated maximum operating power for the exact model. Rated mains input power and typical or measured draw are distinct and must be qualified in source notes.

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Standby poweriPublished standby power for the exact model. Source notes preserve less-than or maximum qualifiers.

0.5W1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Standby Power < 0.5W. Published as less than 0.5 W.

0.5W2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Standby consumption published as <= 0.5 W for every size.

Networked standby

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EU energy class SDR

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EU energy class HDR

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Energy per 1000 h SDR

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Energy per 1000 h HDR

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Certifications

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Picture certifications

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ENERGY STAR

No1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Energy Star No.

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Other certifications

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In the box

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In the box

TCL TV, TV stands, 4 x stand screws, Power cable, Voice Remote, 2 x AAA batteries, Quick Start Guide, Warranty information1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026What's in the Box: Quick Start Guide, Power Cord 1, Remote Control Voice Remote, Remote Control Batteries 2 x AAA, Warranty Info. The TV, stands and four stand screws come from the quick start guide.6Owner's manualweb.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdfRead 23 October 2026What's in the box: TCL TV, TV stands, 4 x stand screws, power cable, TV remote, 2 x AAA batteries.

TV, Quick Setup Guide, Voice Remote with Alexa, One set of AAA batteries, 2 base stands, Important Safety Information and Warranty Card, 4 stand screws, Power cord, 2 nuts for the wall mount bracket3Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026What's in the box: TV, Quick Setup Guide, remote, one set of AAA batteries, 2 base stands, safety information and warranty card, 4 screws, power cord, 2 nuts for the wall mount bracket (50, 55 and 65 inch only).

Links

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Product page

web.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551f1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 2026Archived TCL US product page for the 55S551F, captured 2024-06-06 and marked New Model. TCL US no longer lists the S Class, so the archive copy is linked.

www.toshibatv-usa.com/product-page/toshiba-50-class-4k-uhd-smart-fire-tv1Maker product pagetoshibatv-usa.com/product-page/toshiba-50-class-4k-uhd-smart-fire-tvRead 14 October 2026Toshiba USA product page for 50C350NU. The size selector on Toshiba's site offers 43, 50, 55 and 85 inch. Its resources list the C350 spec sheet and a US energy label per size.

Spec sheet

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www.toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdf2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Toshiba C350N Series Fire TV spec sheet, version 2025.02.28, issued by Hisense USA for 43, 50, 55, 65, 75 and 85 inch.

Manual

web.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdf6Owner's manualweb.archive.org/web/20250523063402/https://www.tcl.com/usca/content/dam/tcl/product/home-theater/s-class/documents/S551F%20QSG.pdfRead 23 October 2026TCL Quick Start Guide S551F, 17 pages, PDF created 2024-03-05. It names the series 43/50/55/65/75S551F. The archive copy is linked because tcl.com no longer serves it.

files.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a4173Owner's manualfiles.bbystatic.com/No5Tkgo2g4QvjW8jtjmLMw==/60e52fb3-0aae-44ca-a373-03eb8b43a417Read 14 October 2026Toshiba Quick Setup Guide, 17 pages, covers 43C350NU to 85C350NU and is hosted by Best Buy. It includes a Product Specifications table. A full user guide was not found.

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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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.

1year1Maker product pageweb.archive.org/web/20240606185411/https://www.tcl.com/us/en/products/home-theater/s5-class/55-class-4k-uhd-hdr-led-smart-fire-tv-55s551fRead 23 October 20261 year limited manufacturer's warranty.

1year2Maker spec sheet (PDF)toshibatv-usa.com/_files/ugd/991681_17812dfd52504f58872ce1b3cf796b67.pdfRead 14 October 2026Warranty 1 Yr. US maker.

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