[QUOTE=mdulrich;1892078]Just turning down the audio level will make your feed sound 100% better and it will still be just as loud. The audio is being clipped from being over driven and that is introducing what sounds like interference to the transmissions. One of these meters is a must to help adjust the levels. Audio Level Meter
It also appears you might want to tighten up the squelch.
External speaker and headphone jack are outputs, not inputs. You need to use an audio input on your computer. This might be a microphone or a line in connection.
what is AB , MS? I tryed to google it but when you dont know what it stands for it hard to get good info.