High Performance Communications We specialize in fully custom in-the-ear molded headphones, communication headsets, and ear protection. We carry a full line of radios, accessories, and more! Our goal is to carry the most complete line of communication products anywhere! We have everything you need to help your race team to win including radios, harnesses, communication kits, helmets, safety, and don’t forget DJ Custom Molded Headphones. We also carry a full line of Industrial communications products and services. DJCC has solutions for your business that include OSHA Hearing Conservation testing, Mobile lab for employee hearing testing, Specialty Ear protection options, Radio communication options, FCC compliance registration, and more...