Toshiba 43-inch C350 Series 4K Fire TV
Exact model 43C350NU
Also identified as: Toshiba C350N 43-inch, Toshiba C350 Series 43-inch Fire TV
Toshiba 43C350NU is the forty-three-inch U.S. C350N Fire TV, with a 60 Hz 4K LED panel, 3 HDMI 2.0 inputs, HDMI 3 eARC, ATSC reception, and exact 200 x 300 mm mounting facts.
- Identity and region
- 43C350NU is the 43-inch-class U.S. C350N-generation Fire TV; actual diagonal is 42.5 inches
- Display
- 4K UHD LED LCD with native 60 Hz refresh, Motion Rate 120 and MEMC
- HDR
- Dolby Vision, Dolby Vision Gaming, HDR10 and HLG
- Gaming
- Game Mode Plus with VRR and ALLM; the native panel remains 60 Hz
- Smart platform
- Fire TV with Alexa built in, Apple AirPlay and Apple HomeKit
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Information checked August 27, 2026. Confirm critical specifications with the manufacturer.
Official resources
Manuals and official support
Replacement parts and accessories
Products for Toshiba 43C350NU
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Mounting
Fixed Tv Mount
Mounting Dream Fixed TV Wall Mount, 42–84 in
The official 43C350NU resources list a 200 x 300 mm VESA pattern, and the model is a 43-inch television. This product's stated range includes those dimensions for fixed wall mounting. Confirm the television's without-stand weight is below the mount limit, then follow both manufacturers' screw-depth, spacer, ventilation, wall, furniture, and anti-tip instructions before installation.
Listing reviewed 2026-08-27
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Mounting Dream Full-Motion TV Wall Mount, 42–90 in
The official 43C350NU resources list a 200 x 300 mm VESA pattern, and the model is a 43-inch television. This product's stated range includes those dimensions for full-motion wall mounting. Confirm the television's without-stand weight is below the mount limit, then follow both manufacturers' screw-depth, spacer, ventilation, wall, furniture, and anti-tip instructions before installation.
Listing reviewed 2026-08-27
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PERLESMITH Universal Swivel Tabletop TV Stand, 24–60 in
The official 43C350NU resources list a 200 x 300 mm VESA pattern, and the model is a 43-inch television. This product's stated range includes those dimensions for a replacement tabletop base. Confirm the television's without-stand weight is below the mount limit, then follow both manufacturers' screw-depth, spacer, ventilation, wall, furniture, and anti-tip instructions before installation.
Listing reviewed 2026-08-27
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Hdmi Cable
Cable Matters Certified Ultra High Speed HDMI Cable, 3.3 ft
The official 43C350NU resources document a standard HDMI connection. This 3.3-foot cable uses HDMI Type-A plugs and may connect a compatible source to the television. The source, selected ports, and complete signal path still determine resolution, refresh rate, HDR, ARC, and eARC support. Choose this length only when it reaches without tension.
Listing reviewed 2026-08-27
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Amazon Basics Ultra High Speed HDMI 2.1 Cable, 6 ft
The official 43C350NU resources document a standard HDMI connection. This six-foot cable uses HDMI Type-A plugs and may connect a compatible source to the television. The source, selected ports, and complete signal path still determine resolution, refresh rate, HDR, ARC, and eARC support. Choose this length only when it reaches without tension.
Listing reviewed 2026-08-27
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Snowkids Ultra High Speed HDMI 2.1 Cable, 12 ft
The official 43C350NU resources document a standard HDMI connection. This 12-foot cable uses HDMI Type-A plugs and may connect a compatible source to the television. The source, selected ports, and complete signal path still determine resolution, refresh rate, HDR, ARC, and eARC support. Choose this length only when it reaches without tension.
Listing reviewed 2026-08-27
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Additional useful information
Use this exact-model guide to set up Toshiba 43C350NU, troubleshoot its C350N Fire TV platform, and verify HDMI 3 eARC, antenna, Alexa remote, stand footprint, VESA pattern, weight, wall, and screw requirements.
Toshiba 43C350NU is the forty-three-inch-class U.S. C350N-generation Fire TV with a 42.5-inch actual diagonal. Toshiba's official specification lists a 4K UHD LED LCD, native 60 Hz refresh, Motion Rate 120, MEMC, Dolby Vision, Dolby Vision Gaming, HDR10, HLG, Game Mode Plus, VRR and ALLM. The connection table gives 3 HDMI 2.0 inputs with eARC on HDMI 3, two USB 2.0 ports, Ethernet, Wi-Fi 5, Bluetooth 5.0, an ATSC RF input, and one composite video input. Published speaker output is 14 W. The 43C350NU is the only C350N size here with a 200 x 300 mm VESA pattern and the lightest published no-stand weight.
For setup, attach only the stand pieces for 43C350NU; the official stand footprint is 30.5 x 8.9 inches and the complete television weighs 17.2 lb. Connect sources to numbered HDMI inputs and reserve HDMI 3 for an eARC soundbar or receiver. Complete Fire TV network and account setup, then scan channels for the installation region when using an antenna. Apple AirPlay and HomeKit are listed features, but their source device and network requirements still apply. The exact-model Alexa Voice Remote class is known; a replacement still needs explicit 43C350NU support because Toshiba's sheet does not name a replacement part number.
For no-picture faults, verify the selected input, source resolution, cable seating and 60 Hz output before substituting hardware. For eARC trouble, confirm HDMI 3 and compatible audio formats at both ends. Restart the television and network devices and check software before using Settings > Device & Software > Reset to Factory Defaults; that reset removes accounts, apps, network details and preferences. Toshiba lists 200 x 300 mm, M6 thread, and 16.3 lb without the stand. Because no screw depth is published, the TV guide and mount instructions must control engagement, bracket load, wall fasteners, clearance and ventilation; screen size or thread diameter alone is not a mount match.
- HDMI: 3 HDMI 2.0 inputs; HDMI 3 carries eARC
- Other connections: two USB 2.0 ports, Ethernet, Wi-Fi 5, Bluetooth 5.0, and one composite video input
- U.S. tuner: RF antenna input with ATSC; channel availability depends on region and scan
- Audio: Dolby Atmos with 14 W published speaker output
- Wall mounting: 200 x 300 mm, M6 thread, 16.3 lb without stand; Toshiba does not publish screw depth in the reviewed sheet
- Tabletop data: 17.2 lb with stand and a 30.5 x 8.9 inches stand width-by-depth footprint
- Included accessory class: Alexa Voice Remote with batteries; no replacement part number is inferred
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