Recommended for medium to large areas like concert halls, gymnasiums & churches, those rooms with pronounced low frequency problems and for those rooms where sonic accuracy is mandatory & maximum absorption is required. 4 inch Studiofoam provides excellent low frequency control (3X that of 2 inch Studiofoam) and can make rooms very dry. In some instances, using 4 inch on your walls can negate the need for significant bass trapping.

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Auralex Studiofoam Wedges 4" Specifications:

• Coverage: 48 square feet
• NRC: 1.10
• Quantity: 6 per box
• Recommended Adhesive: 1 Foamtak or 2 Tubetak per box.