ANAHEIM, California – At Winter NAMM 2014, HARMAN’s JBL Professional is introducing the VTX F Series, a premium line of 2-way multi-purpose loudspeakers designed to add to the word-class performance of JBL’s VTX Series line arrays. The F Series provides flexibility to audio professionals who don’t want to compromise on sound quality or performance they’ve found with the VTX Series. The F Series includes three models: the F12 and F15 full-range loudspeakers and the F18S subwoofer.  The VTX F12 and F15 loudspeakers feature the large-format JBL D2 dual diaphragm dual...