JBL Studio 190 Dual 6.5-Inch Floorstanding Loudspeaker (Each, Black) (Discontinued by Manufacturer) Dual 6.5" (165mm) Low-Frequency Transducers Tower configuration places midrange and HF transducers at ear level Rigid, heavily braced 3/4" (19mm) MDF enclosure Rear-facing bass port increases output and extends bass response Dual gold-plated binding posts with bi-wire capability increases connection options