15"WOOFER WITH WOODEN CARPET BOXSubwooferMagnet 50 ozVoice Coil 2.5"KSVFrequency Response 45HZ-18KHZ(-10dB)Sensitivity 94dB(+/-2dB)Impedance 8 OhmRMS Power 200W9"¡Á11.5"Hom 44mm Ti.Diap.Driver
Amplifier(A) TTW-3715AImpedance 4 OhmVoltage 110V/220V/AC/60-50HZRMS Power 180W
Amplifier(B) TTW-3715AUSpecial function USB/SD SLOT AND LCD SCREEN
Amplifier(C) TTW-3715AUESSpecial function USB/SD SLOT AND LCD SCREEN AND EQ