EQ30T / EQ60T Walleasear Sound Absorption Panel Quality sound absorption that traps echoes effectively. Made from purely natural green fibre acoustic wool, this EQ Walleasear is also high-density enough to meet all your acoustic requirements. It provides amazing sound pressure that does a great job of absorbing broadband frequencies through its back cavity design. Versatile features that make a difference. It can serve either as a diffusing wall or as a low frequency trap. It controls main reflections and has a double bandwidth ratio of 1 (Absorption):1 (Diffusion). If you want a superb acoustic treatment that doubles for you, this product is the best choice. It’s the perfect choice for use in studios, hallways, and even classrooms!