Geographically, the state of Ohio falls within the lines of latitude of 75 °W and 90 °W. The timezone corresponding to this portion of the globe is eastern standard time (EST). The prime meridian at 0 °, has the timezone greenwich mean time (GMT) from which all other timezones are referenced. And eastern standard time, local time in Ohio, will be 5 hours behind GMT.
Yes, it is possible to "blow the speaker" in your headphones by listening to loud music (such as high BPM stuff, like extratone or extremely bass-ey stuff)