<https://www.diymobileaudio.com/threads/8-sub-help-dayton-vs-apex-jr-vs.95764/>
<http://schema.org/dateModified>
"2011-01-13"^^<http://schema.org/Date>
<https://www.diymobileaudio.com/threads/8-sub-help-dayton-vs-apex-jr-vs.95764/#post-1202910>