This is an amazing 2.4Ghz Digital Wireless system by Audio-Technica and we've paired it with the OSP HS-10 earset microphone featuring 3 different sizes of earpiece. Perfect for kids, children, youth, and adults. To get more info or get one on order click this link: https://www.7ballmusic.com/store/audio-technica-atw-1311-sys10-rackmount-digital-wireless-dual-bodypack-w-osp-hs-10-earset-microphones.html
http://www.worldmusicsupply.com/search.aspx?si=&sp=audio+technica+700 Ken Voss, Regional Market Manager for Audio Technica speaks about the 700 Series Freeway Wireless System. This system can be used with multiple types of microphones, as well as various instruments.