1. 1-1/4" Tuned Panel 5% Open Area Perforated Hardboard 2. SOUND ABSORPTION - ASTM C423-90a 4' x 8' x 1-1/8" 3.SOUND ABSORPTION - ASTM C423-90a 4' x 8' x 1" 4. SOUND ABSORPTION - ASTM C423-90a 4' x 8' x 2-1/8" 5. SOUND ABSORPTION - ASTM C423-90a 4' x 8' x 2" 6. NOISE S.T.O.P. Fabrisorb™ Decorative Fabric Wrapped, Custom Acoustical Wall Panels, 5 Edge Details 7. SOUND ABSORPTION - ASTM C423-90a Type A - Flat on floor, 4 Diffusers