Skyline diffuser I made myself from solid cedar. It's probably too small relative to the size of my theater, but I think it helps with acoustics and looks great. Wasn't sure if
Diffusor: RPG Skyline - mbakustik GmbH I Büro für Raumakustik
Akustik Diffusor QRD 2D Skyline 577 - 50x50cm - diffusor.at