Professional audio is essential in today’s complex building projects. The integrated Voice Evacuation and Public Address System is not a new technology in the market place. Requirements are dated from before 1990. In April 2011 a new standard will dominate, dictating manufacturers how to engineer their technology under the EN 54. As leading company in the Voice-Alarm market, ATEÏS well prepared the transition for their electronics and loudspeakers to secure our market position and take it into the next decade.