Yamaha EMX7 Powered MixerThe new EMX7 and EMX5 were designed specifically for musicians, performers, or public speakers who put a premium on sound quality and convenient operation, and are ready to take their sound reinforcement to the next level. Despite their compact construction, only speakers and a microphone are required to configure a fully functioning, extremely portable, and reliable sound system with all the tools you need to mix, process, and deliver your audio just