Auralex MAX1141VBCHA MAX-Wall 1141 Vocal Booth in Charcoal; 11- 20x48x4.75 Panels; 1- 20x48x4.75 Window Section in Clear Plexiglass Only; 4- MAX Stands The MAX-Walls perfect if youre renting a space and dont want to-or arent allowed to - mount anything to your walls, or if your place needs to serve a variety of acoustical purposes. MAX-Wall offers you great flexibility in a big hurry The MAX-Wall is very absorptive, even at low frequencies. It offers great broadband absorption and is incredibly linear, with an overall NRC of 1.05! The MAX-Walls proprietary, patent-pending design offers excellent broadband control of sound waves throughout your room AND in the near field, so now you can play, record or mix great music or vocal tracks ANYWHERE at ANY TIME! The MAX-Wall is very absorptive, even at low frequencies. It offers great broadband absorption and is incredibly linear The MAX-Walls proprietary, patent-pending design offers excellent broadband control of sound waves throughout your room It offers great broadband absorption and is incredibly linear, with an overall NRC of 1.05 Offers excellent broadband control of sound waves throughout your room MAX-Wall offers you great flexibility in a big hurry