Realco Power Projects Absorber Panel are highly durable perforated panels which are used to control background and reverberant noise. Although primarily intended as an absorber, the panels will act as a barrier when a solid sheet metal back is added, further performance enhancement can be done by applying intermediate sheet metal as custom design. Realco Power Projects Panels are excellent sound absorbers over a wide frequency range. Their acoustic properties combined with their rugged durability make them a perfect choice for test chambers, Generator rooms, factories, auditoriums, mechanical equipment rooms, gymnasiums, theatres, garages, hallways and other spaces where reverberant noise is a problem.