SubwooferMagnet 50 ozVoice Coil 2.5"KSVFrequency Response 50HZ-18KHZ(-10dB)Sensitivity 96dB(+/-2dB)Impedance 8 OhmRMS Power 180WDimension(W¡ÁD¡ÁH) 34¡Á31¡Á57.5cmTweeter34mm Ti.Diap.Driver 13.5 oz,8 Ohm
Amplifier(A) TT-2112AImpedance 4 OhmVoltage 110V/220V/AC/60-50HZRMS Power 150W
Amplifier(B) TT-2112AUSpecial function USB/SD SLOT AND LCD SCREEN
Amplifier(C) TT-2112AUESSpecial function USB/SD SLOT,LCD SCREEN,and EQ