JPS3315 2-WAY MOLDED SPEAKER BOX 15'WOOFER,60OZ, 8OHM 44mm TI.DIAP.DRIVER,23OZ,8OHM 40-20KHZ 98dB 22KGS 400WATTS JPS3315-A 2-WAY MOLDED SPEAKER BOX WITH BI-AMP(OR MONO-AMP) 15'WOOFER,60OZ,4OHM 44mm TI.DIAP.DRIVER,23OZ,8OHM 40-20KHZ 96dB 26KGS 300WATTS JPS3312 2-WAY MOLDED SPEAKER BOX 12'WOOFER,50OZ,8OHM 45-20KHZ 96dB 16KGS 300WATTS JPS3312-A 2-WAY MOLDED SPEAKER BOX WITH BI-AMP(OR MONO-AMP) 12'WOOFER,50OZ,4OHM 34mm TI.DIAP.DRIVER,13OZ,8OHM 45-20KHZ 94dB 20KGS 250WATTS