what is best test tone for subs (mono block) and I have woofer mids, in doors with tweeters (focal) do I disconnect at crossovers in door panel or just leave it as is.
The best tones for the subs are usually 40-50 Hz @ 0 db if you're into low bass music. You will want to disconnect the speakers completely from either your door panels or your head-unit because you don't want the tones to stress out your door speakers during the test. You can find the tones all throughout the web or simply make them yourself using a program called Audacity. It's a simple process, or just sheck out this video from EXO.