Our Products         Line Array       Active Speaker Cabinet       Studio Monitor   CLASSIC series MT series PM series ST series   Speaker Cabinet       EQ & Amplifier       Portable Speaker       Guitar/Bass Amplifier       Mixer       Popstar       VA serise       Ultra Portable Speaker     Monitor >>> ST             ST-5a   ST-6a   ST-8a       SPECIFICATIONS   ST-5a ST-6a ST-8a Low Frequency Drive 5" magnetically shield mineral-filled polypropylene cone with high temperature voice coil and damped rubber surround 6.5" magnetically shield mineral-filled polypropylene cone with high temperature voice coil and damped rubber surround 8" magnetically shield mineral-filled polypropylene cone with high temperature voice coil and damped rubber surround Frequency Response 70Hz-20KHz 50Hz-20KHz 90Hz-20KHz SPL (1W@1M) 88dB(1w&1m) 89dB(1w&1m) 90dB(1w&1m) Low Frequency Amplify 60W 80W 100W High Frequency Amplify 30W 40W 50W High frequency Drive 3/4" magnetically shield ferrofluid-cooled natural soft dome 1" magnetically shield ferrofluid-cooled natural soft dome 1" magnetically shield ferrofluid-cooled natural soft dome Crossover 2.6K 2.6K 2.6K Dimensions(HxWxD) 185×225×280mm 210×255×320mm 237×310×410mm Weight 7Kg/PCS 10kg/PCS 16kg/PCS COMMON SPECIFICATIONS   ST-8a Input Connections XLR and 1/4" connector;accept balanced or unbalanced source IndicatoR Power ON LED indicator Power Requirements 220/240V-50/60Hz 0.5A 100W 100/120V-50/60Hz 1A 100W Input Sensitivity 0.775V Input produces full of output level at maximum Cabinet 18mm MDF,Internally insulated