Behringer Ultra Di-100 Active Direct Box Stage Di "know mic built" Questions

...know how to make my mic work with it. Sorry, but the DI-100 can OPERATE on phantom power, not supply it. If you have a mixer that has phantom power then you have no need for the DI box. DI boxes are ...

know how to fix built-in microphones on rolland BR-600. When I attempt to record, the only sound that gets recorded is noice (hissing sound), and that only after cranking rec volume and mic levels all