| Auralex 2" Thick ProPanel Wall Panel (24 x 48", Onyx) B224ONY Free Express Shipping! Auralex 2" Thick ProPanel Wall Panel (24 x 48", Onyx) With AFN Impaling Clips, Reduces Acoustical Reflections, Improves Speech Intelligibility, Controls Reverb, Beveled Edges, Class-A Fire Rated: ASTM-E84, Hang from Walls or... more | | $178.99 FREE shipping go to store |