Have you ever been to an event where you sat in the back or on the side and couldn't hear the presentation? Or you were so far away there was a delay? These issues are easily solved with using the proper speakers set at the proper angle for complete audience coverage. We have a white paper on our website that goes into this a bit more and you can find that here, http://www.ampli.com/pdf/Amplivox_Wireless.pdf
Our SW124 Ampli-Pod Podium PA is a great exapmle of a built in solution to this problem. Project crisp, clear, rich and intelligible sound with our Omni Speakers unique 180º Sound Coverage! http://www.ampli.com/SW124.htm
Close up of speakers set at an angle. These speakers are set at an angle to overlap and broadcast over 180 degree coverage.