Floor Material Drywall Concrete Plywood Carpet - thick no pad Carpet - thick with pad Carpet - thin Hardwood flooring Wood Paneling Brick Linoleum Asphalt Glass Concrete or terrazzo flooring Tile on concrete Light velour fabric Medium velour fabric Heavy velour fabric Marble Water surface - pool 1 Inch Wedge Acoustic Foam 2 Inch Wedge Acoustic Foam 3 Inch Wedge Acoustic Foam 4 Inch Wedge Acoustic Foam Bass Traps

Ceiling Material Drywall Concrete Plywood Carpet - thick no pad Carpet - thick with pad Carpet - thin Hardwood flooring Wood Paneling Brick Linoleum Asphalt Glass Concrete or terrazzo flooring Tile on concrete Light velour fabric Medium velour fabric Heavy velour fabric Marble Water surface - pool 1 Inch Wedge Acoustic Foam 2 Inch Wedge Acoustic Foam 3 Inch Wedge Acoustic Foam 4 Inch Wedge Acoustic Foam Bass Traps

Wall One Material Drywall Concrete Plywood Carpet - thick no pad Carpet - thick with pad Carpet - thin Hardwood flooring Wood Paneling Brick Linoleum Asphalt Glass Concrete or terrazzo flooring Tile on concrete Light velour fabric Medium velour fabric Heavy velour fabric Marble Water surface - pool 1 Inch Wedge Acoustic Foam 2 Inch Wedge Acoustic Foam 3 Inch Wedge Acoustic Foam 4 Inch Wedge Acoustic Foam Bass Traps

Wall Two Material Drywall Concrete Plywood Carpet - thick no pad Carpet - thick with pad Carpet - thin Hardwood flooring Wood Paneling Brick Linoleum Asphalt Glass Concrete or terrazzo flooring Tile on concrete Light velour fabric Medium velour fabric Heavy velour fabric Marble Water surface - pool 1 Inch Wedge Acoustic Foam 2 Inch Wedge Acoustic Foam 3 Inch Wedge Acoustic Foam 4 Inch Wedge Acoustic Foam Bass Traps

Wall Three Material Drywall Concrete Plywood Carpet - thick no pad Carpet - thick with pad Carpet - thin Hardwood flooring Wood Paneling Brick Linoleum Asphalt Glass Concrete or terrazzo flooring Tile on concrete Light velour fabric Medium velour fabric Heavy velour fabric Marble Water surface - pool 1 Inch Wedge Acoustic Foam 2 Inch Wedge Acoustic Foam 3 Inch Wedge Acoustic Foam 4 Inch Wedge Acoustic Foam Bass Traps

Wall Four Material Drywall Concrete Plywood Carpet - thick no pad Carpet - thick with pad Carpet - thin Hardwood flooring Wood Paneling Brick Linoleum Asphalt Glass Concrete or terrazzo flooring Tile on concrete Light velour fabric Medium velour fabric Heavy velour fabric Marble Water surface - pool 1 Inch Wedge Acoustic Foam 2 Inch Wedge Acoustic Foam 3 Inch Wedge Acoustic Foam 4 Inch Wedge Acoustic Foam Bass Traps