At GRAS, we’ve spent decades doing one thing exceptionally well—perfecting sound measurement. Founded in 1994, GRAS, an Axiometrix Solutions brand, is a trusted measurement microphone manufacturer specializing in high-precision solutions that professionals count on. Whether it’s in the automotive, aerospace, or audiology fields. Our microphones help engineers and researchers capture sound with clarity. As a global leader in acoustic test equipment, we support R&D, quality assurance, and production testing with reliable tools for long-term performance across complex acoustic applications.