As the flagship of AkustikPerdeci, the 7-layer curtain represents the highest point achievable in sound insulation. This system, formed by combining seven different technical materials, creates a protective shield with the effect of a wall. It has the highest NRC values tested in laboratory environments, dampening all low and high-frequency noises. It is an unrivaled choice for cinema halls, buildings near airports, and professional sound labs. It combines technical performance with an aesthetic drape and luxury appearance to change the atmosphere of the space.