TroyStudio Fiberglass Drop Ceiling Tiles - 12 X 12 X 1.2 Inches 4 Pcs Acoustic Ceiling Panels, Thick Sound Absorbing Panel for Office, Home Theater, Recording Studio (Square)

TroyStudio Acoustic Ceiling Panels - 12 X 12 X 1.2 Inches 4 Pcs Coated Fiberglass Hanging Drop Ceiling Tiles, Thick Sound Absorbing Wall Board for Office, Home Theater, Recording Studio (Square)

Foroomaco 4 Pack Bass Traps for Ceiling Corner 16.5" Triangle 12" Depth Triangular Pyramid Acoustic Foam Bass Trap Sound Proofing for Home Studio Booth Low to High Frequency Sound Absorption Foam

UMIACOUSTICS 4 PCS 2” Thick Acoustic Panels, Fiberglass Sound Proof Panels, Self-adhesive Sound Absorbing Panels for Studios, Office, Home Theater. (Black)