Aeon AcousticPro UHD 135 169 4K The Aeon AcousticPro UHD is an acoustically transparent AT Ultra-Hi Def fixed frame projection screen. The AcousticPro UHD acoustically transparent material is designed to complement in-wall speakers while allowing sound to pass through the material with minimal attenuation. Its tight perforated weave design allows a superior AT performance without sacrificing picture quality.