... response:35-22KHz BJT6-026.5" ported HI-Fi system with Matt black painted6.5"woofer,Magnet protection,1.2"voice ... coil carbon fiber mixed with fiber glass cone4.5"tweeter with black teroron dome,1"voice coilMax power ... ±3dBImpendence:6 ohm 6.5" ported micro HI-Fi system with Matt black painted