Designed and engineered in JBL’s world-famous acoustic engineering facility in Northridge, California, the 4349 Studio Monitor is a showcase of patented JBL acoustics technologies. This monitor loudspeaker features a 2-way design with patented High-Definition Imaging (HDI™) horn technology, the patented D2415K dual 1.5-inch (38mm) compression driver, and a 12-inch (300mm) cast-frame, Pure-pulp cone woofer for powerful dynamics and incredibly accurate sound reproduction.