JBL 型号:RM15SUB JBL低音音箱 RM15SUB DIMENSI(HxWxD) 464mmX574mmX620mm(18.3"X22.6"X24.4") NET WEIGHT 35kg(75lbs) COMPONWNTS 1X15"(381mm)LF driver FREQUENCY RESP 48Hz-1.8kHz +4dB/-8dB POWER HANDLING 500watts contious,1000watts program SENSITIVITY 98dB,1watt@1 metre MAXIMUM SPL 125dB continuous NOMINAL IMPEDANCE 8ohms CUCTION 18mm(3/4")brich plywood,finished in black semi-matt textured paint GRILLE Powder coated perforated steel backed with acousticallk transparent reticulated foam CONNECTORS (2)Speakon NL4MP,wired pin1+:postive,pin1-:negative,pins2+and2-n/c OPTI Black textured paint