Quick answer: Home theatre acoustic treatment improves dialogue clarity and tames boomy bass by soaking up echoes from side walls, the rear wall, the ceiling and the corners. Start with panels at the side wall reflection points and behind the seating, add a ceiling cloud and install bass traps (thick corner panels that soak up deep, boomy sound) in the corners. Most rooms need 8–16 panels plus bass traps.

Key takeaways

  • Side walls at ear height first; then the rear wall.
  • Bass traps in the corners if you have a subwoofer.
  • Leave the wall behind the screen mostly alone.

Why does a home cinema sound muddy?

Hard walls, a hard ceiling and a tiled floor bounce speech and effects around the room. Those late echoes arrive just after the direct sound and blur the words. A subwoofer also excites bass in the corners, which adds boom.

What to treat first

Start with the side walls at ear height, where sound from the front speakers first bounces. Next, treat the rear wall behind the seats. Then add a ceiling cloud above the seats if the ceiling is hard.

Not sure what your room needs? Send us a photo on WhatsApp or request a free quote. We'll tell you how many panels, where they go and the price. See our acoustic panels for homes and recent projects.

Better home theatre sound infographic

Bass

Corner bass traps tame the boom from a subwoofer. Thicker 50 mm panels soak up lower notes better than 25 mm ones. Moving the subwoofer a little along the front wall can also smooth the bass. See do I need bass traps?.

Look and cost

Dark panels reduce echoes from the screen, and 39 colours can match your décor. A room needing 8–16 panels comes to 8 × S$165 = S$1,320 up to 16 × S$165 = S$2,640 installed. Bass traps are quoted on top, and the exact count is confirmed from photos.

Seating and speaker positions

Sit about 38% of the room length from the front wall if you can, keep speakers away from corners and aim them at ear height. Before buying more panels, try moving the sofa a metre forward or back; a seat in the middle of a boomy spot undoes good treatment. Then add panels at the side-wall spots where sound first bounces between the speakers and your seat.

How loud is too loud?

If you reach for the remote to turn dialogue up and effects down, the room is working against you. Echo off bare walls smears speech, so dialogue gets lost under the effects. Panels on the side walls and behind the seats cut those echoes, so dialogue stays clear without turning it up.

What we see on real jobs

Good speakers in a bare room still sound muddy. Treating the room often improves dialogue more than a new receiver.

Get a straight answer for your room

WhatsApp a photo of the room (+65 8930 1905) and tell us what you use it for: calls, TV, music or mixing. We'll suggest a layout, a colour and a price, including no-drill options where your walls allow.

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