Arrowzoom™ Acoustic Sound Diffuser - Quadratic Skyline - KK1204 Thermal Insulation Door While they won't block 100%

While they won't block 100% of the noise on their own

You've got 100 days to return it

Hang it in your bedroom

Heating the material is not necessary

Arrowzoom™ Acoustic Sound Diffuser - Quadratic Skyline - KK1204 Thermal Insulation Door While they won't block 100%Scatter the slap turn a boxy room into a balanced one Hard, parallel walls fire reflections straight back at your ears: flutter echo, harsh highs, a stereo image that collapses to the middle. The KK1204 Acoustic Sound Diffuser breaks up those reflections with quadratic skyline geometry, so the room sounds open, even, and natural without sucking the life out of it. Molded diffusion done right, ready to mount in minutes. Scatters reflections clearer,