Parameters Model No.: JSP10 10inch-2way PA/DJ speaker Frequency: 20Hz-20KHz Normal Impedance: 8Ohm SPL 97dB/W/M RMS/Musical/Max.Power:100W/200W/400W Durable injection molded polypropylene enclosure 1"(25.4mm) Titanium compression driver 10inch long-throw composite woofer Thick metal grill 35mm Integrated pole mount Model No.: JSP15SB 15inch portable subwoofer system Frequency: 25Hz-20KHz Normal Impedance: 4Ohm SPL 96dB/W/M RMS/Musical/Max.Power:300W/600W/800W Durable injection molded polypropylene enclosure 15inch high power subwoofer driver Thick metal grill 35mm Integrated pole mount