In 1947 an Elkhart, Indiana minister Clarence S. Moore founded International Radio Electronics Corporation (IREC), which over the years became better known as Crown Audio Inc. Today, the company is known primarily for its power amplifiers. Crown manufactures amplifiers for cinemas, concert sits, portable speakers, and commercial audio products. Having more than 67 years experience in developing innovations and offering user experience, Crown Audio constantly raises the bar in sound quality enhancement.