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The 75-inch 75C6K-UK is one of TCL’s biggest and most high-end TVs. Its quantum dot display should boost colour, and the mini-LED backlight behind it allows more control over how the display is lit and helps with contrast. It’s partnered with audio brand Onkyo for the speakers, too, so we’re expecting high quality at every turn. Read our review to see if it’s worth buying.
pros
cons
What's included?
- What is it?
- What’s the picture quality like?
- What’s the sound quality like?
- What’s it like to use?
- How are the smart features?
- How secure is it?
- Is there anything else I should know?
- How are the accessibility features?
- Is TCL a good TV brand?
- Should I buy it?
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- Feb 2026First reviewed by Which?
