JBL Studio 225C Dual 4-Inch 2-Way Center Channel Loudspeaker The JBL Studio 225C Center Channel loudspeaker features dual 4" PolyPlas driver delivers unrivaled midrange accuracy and power, delivering a lifelike realism to any given area of a listening soundspace A 1" CMMD Lite high-frequency driver lets you experience your sound purely and cinematically, with all the precision imaging, high-frequency detail, natural balance, and full spectrum sound of advanced home theater High Definition Imaging (HDI) waveguide creates a wide soundstage with pinpoint imaging Visually Striking Design 21st century design