For less cables and more freedom, Seismic Audio has created the SA-U2 and SA-U4 wireless microphone systems. These wireless mic sets come in a variety of package configurations and product high quality and crystal clear sound reproduction. These systems are able to adapt to your need and are a perfect solution for public address, ceremonies, graduations, baseball and softball PA, DJ, Karaoke, weddings, bars, clubs and anywhere you need excellent voice reproduction. A massive operational range compliments a host of design features intended to provide the very highest audio quality. The Seismic Audio line of wireless microphones offer superior all-around performance for crisp, clean, and balanced vocals. Whether performing onstage or speaking from a podium, the Seismic Audio] wireless microphone systems are the right tool for the job.