Sound Seal has added S-4200 Tuned Absorber / Diffuser Panels to its Architectural Sound Quality line. The panels, which are suitable for schools, auditoriums, studios and performance halls, are comprised of a fiberglass core that can vary from 1-inch thick up to 4-inches thick along with a perforated 1/8-inch-thick hardboard. The panels are finished in any one of Guilford of Maine’s decorative fabrics or an option from Designtex, Maharam, Knoll or a specialty fabric of the customer’s choosing. All the standard acoustical wall panel mounting methods can be used with these panels, including impaling clips, Z Clips and Rotofast hardware. The panels are available in standard sizes in 2-foot increments up to 4 by 10 feet with custom-size offerings also available. Customers can choose from four thicknesses and various mounting and color choices.