TCL might not have the name recognition of TV makers like Samsung or LG, but it has been killing by coupling excellent hardware with capable Roku software. The company's well-regarded 49-inch 4K HDR TV (it's Wirecutter's budget 4k pick) has a list price of $600 and usually sells for about $400. The current deal undercuts that by $100, making this TV cheaper than its ever been.

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