Do I need acoustic panels in a home theatre?

Need? Only dedicated theatre rooms need engineered treatment. Benefit from? Almost every room. But start with what is free, and be sceptical of foam sold by the carton.

Indian living rooms are acoustically bright: tile or marble floors, glass, bare painted walls, hard furniture. Sound bounces around for longer than the recording intended, dialogue smears, and the treble gets hard. Before buying a single panel, deal with that using what the room already tolerates. A thick rug between the speakers and the seats. Heavy curtains on the glass. A loaded bookshelf on a bare wall. Sensible speaker and seating placement. That is half the problem solved for nothing, and it is where I would stop for most living rooms.

If you go further, spend where the return per panel is highest. First-reflection points on the side walls (find them with a mirror held flat against the wall: where you can see the speaker from your seat is where the panel goes) and the wall behind the seats. Absorption there tightens imaging and cleans up dialogue more than any other position.

Now the caution. Thin foam tiles do very little below the midrange. They absorb some treble, which can make a room sound dull without fixing what actually bothers you. Bass is the usual Indian-room villain, and bass needs mass and thickness: broadband panels 100 mm or thicker, or purpose-built bass traps in the corners. Egg-crate foam in the corners is decoration with ambitions.

A dedicated theatre room is a different brief. There, treatment is designed rather than added: controlled reflections, bass trapping, and a target decay time, all coordinated with the speaker layout before civil work. That is a design conversation, and it belongs early.

Order of operations, then: placement and soft furnishings first, calibration to correct what remains at your seats, and treatment for what calibration cannot touch. Send us a photo of the room and I will tell you which of the three you actually need.