440 N. Wells Street Suite 540 Chicago, IL 60654 312-222-9779 Home About Us The Studio Services Contact us As well as housing Pro Tools HD editing and mixing equipment, KJ Audio boasts state of the art microphones and a soundproof booth to give your production the most professional feel imaginable. We have full automation with current technologies so your session files can be recalled in a matter of moments for quick edits or adjustments. We also have a vast sound effects library that draws on the very best of the DeWolfe Music Library in New York.