JBLAC2215_00 紧凑轻便型二分频扬声器功能特点介绍 AC2215/00 is a compact 2-way fullrange loudspeaker system comprised of one 380 mm (15 in) low frequency driver and one 38mm (1.5 in) exit/ 44 mm (1.75in) voice-coil compressiondriver. The PT Progressive Transition waveguide provides wide 100° by100° coverage. High-slope passivecrossovers minimize band overlap.