Having 4 sides exposed on each pyramid also yields more sound wave diffusion, which is desirable in some spaces. Thus, 4" acoustic Studiofoam Pyramids will yield less overall dryness than 4" Studiofoam Wedges.

Auralex Studiofoam Pyramids 4-Inch Acoustical Treatment Specifications

• Flame Retardancy: Class B
• NRC: .95
• Quantity: (6) 2x4 panels per box (covers 48 sq. ft.)
• Suggested Adhesives: 1 Foamtak or 2 Tubetak

Auralex Studiofoam Pyramids 4-Inch Acoustical Treatment Colors Available

• Charcoal Gray
• Purple
• Plum
• Forest Green
• Kelly Green
• Blue
• Orange
• Red
• Burgundy
• Brown