<html><body><div style="color:#000; background-color:#fff; font-family:Courier New, courier, monaco, monospace, sans-serif;font-size:12pt"><div>Sound systems hate square wave and modified square wave, so unless you want to listen to a ground hum and some other mid frequency square waves under your broadcast, only use true sin wave inverters for that. </div><div><br></div><div>nick vida</div></div></body></html>