TroyStudio Acoustic Sound Diffuser Panel - 12 X 12 X 1 Inches Pack of 8, Plastic Studio Diffuser Wall Art Panels, Acoustical Treatments Diffusor for Wall & Ceiling Decor (Pyramid, White)

TroyStudio Acoustic Sound Diffuser Panels, 12 X 12 X 1 inches 8 Pcs PVC Plastic Wall Panel, Recording Studio Acoustical Treatments Diffusion panel, 3d Art Decorative Ceiling Tiles (Pyramid, White)

TroyStudio Thick Acoustic Foam Panels, 12 X 12 X 2 Inch 36 Pcs Broadband Sound Absorbing Foam, Dense Soundproof Padding Tile, Recording Studio Foam Absorber, Groove Decorative 3D Wall Ceiling Panel