Grado Labs

Grado Labs is a manufacturer of dynamic open-air headphones and phonograph cartridges. Founded by Joseph Grado and based in Brooklyn, NY, Grado Labs specializes in dynamic open-air, supra-aural, high-fidelity headphones, which have won awards and accolades from audio-related publications such as Stereophile magazine. Grado Labs holds 48 patents as of October 30, 2006.