How does QD-Mini LED compare with OLED here?

QD-Mini LED uses 1344 dimming zones behind the panel, so it gets close to OLED contrast while reaching much higher brightness and carrying no burn-in risk. OLED still wins on per-pixel black and off-angle uniformity.

Is 2500 nits peak brightness useful?

It is a peak figure for small highlights, not full-screen brightness. It helps HDR specular highlights and daytime viewing, but expect lower sustained brightness across the whole screen.

What is All-Domain Halo Control?

It is TCL's processing aimed at reducing the halo or blooming around bright objects on dark backgrounds, a common weakness of LED backlights. It reduces it but does not eliminate it entirely.

Do I need a soundbar?

The built-in ONKYO 2.0 system is a step above typical TV speakers, but a 98-inch cinema setup benefits from a separate soundbar or AV receiver for real surround.

The TV, its stand feet, remote, power cable and quick-start guide. A wall mount and any cables for external devices are not included.

How far should I sit from a 98-inch TV?

For 4K content, roughly 8 to 12 feet gives an immersive cinema feel without seeing pixel structure. Closer than that, lower-resolution sources will look soft.