Established in 1971, Source of Sound (SOS) is a world leader in tactical communication and hearing protection. In recent years, SOS has developed extremely efficient in-ear hearing protection systems which enhance the users’ communications (radio/ intercom) capabilities. A subsidiary of Silynx Communications in the US, SOS is the primary supplier of tactical headsets to the Israeli Defense Forces (IDF) and many Special Forces around the world. As such, SOS has developed considerable expertise in military communication technologies capable of operating in extreme conditions. The Company’s products are combat-proven with the most elite units around the world.