... 3way:low2*10" ,MF2*6.5",HF:1.4"line array system 2.full sound,good penetrating ... into 8 ohm,Neodymium speaker,Voice coil diometer 40/1.7"HF:240-480W into 8 ohms,2*HF, ... (10in)dia.,65mm(2.5in)dual coil,Two MD6C100-16 168mm(6.5in).medium 40mm(1.7")Neodymium Differential Drive,Direct ... -16,65mm(2.5 in)diameter beryllium diaphragm,38mm(1.5 in)throat diameter Neodymium compression drivers Speaker parameters: ...