The JBL D123 is a 12’’ extended range speaker design for flush wall mounting between studs. See article below:
Mike
https://www.lansingheritage.org/images/jbl/specs/home-comp/d123/page1.jpg
The JBL D123 is a 12’’ extended range speaker design for flush wall mounting between studs. See article below: Mike https://www.lansingheritage.org/images/jbl/specs/home-comp/d123/page1.jpg |