Home         Download         Donate         Register         Forums         Help    Help: Lowpass output filter - Stereo Tool 3.0 With this slider you can filter out sounds above a certain frequency. Useful for example if you want to feed the Winamp output into an FM or AM transmitter. Setting this filter to 15 kHz removes all 19 kHz FM pilot tone interference, 4.5 kHz (Europe) or 5.0 kHz (North America) removes all sounds that may not be transmitted on the AM band. This website is © Copyright 1999-2014 by Hans van Zutphen Stereo Tool is shareware. You are free to give Stereo Tool to others, publish it on shareware CDs/DVDs, websites etc.