Classical architecture Size: 3" x 36" x 24" (approx) Each unit will have 6 pieces of Frieze Greek .; Noise Reduction: 80-90%; Color: Charcoal For decorative purposes, The Acropolis of Athens is an ancient citadel located on a rocky outcrop above the city of Athens and contains the remains of several ancient buildings of great architectural and historic significance . Eliminates Standing Waves And Flutter Echoes ; Reduces Unwanted Reflections; The particular type of column Acoustic foam and entablature they use as a basic unit. A column consists of a shaft together with its base and its capital. The column supports a section of an entablature, which constitutes the upper horizontal part of a classical building and is itself composed of (from bottom to top) an architrave. Good for studios, recording studios, vocal booths, control rooms.Design – Core is Baffle (Triglyph) shape wedges and it will be 3 inches thick; Wings are triangular shaped foam placed on the sides or whatever creative purposes you have in mind. Product Care: Occasional Vacuuming of Dust , These panel kits install quickly to help absorb sound, reduce echo and improve speech intelligibility. All our kit materials are manufactured in the USA.