Sonic Design Form® - Keystone

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Defined As The Most Important Part Of Anything. You will certainly feel that way when you see how the Sonic Design Form® Keystone enhances a room. This panel brings so many design options to the table. The unique shape works well with almost any acoustical fabric or wood veneer covering.



  • Available in three standard sizes: Small, Medium and Large.
  • Custom sizes can be special ordered.

Fire Rating

  • Class A per ASTM E-84, based on 9mm white


Fabric Finishes for Acoustical Panels

Your acoustical panel finish choices are endless. Choose your own material, or here are some links provided to a few of our recommended textile manufactures for your fabric selection. Please note not all fabrics are suitable for premium acoustical performance.

Select a fabric from one of our manufacturers:

Guilford of Maine
Knoll Textiles
Luna Textiles
Carnegie Fabrics