TTWT-1515¡±WOOFER WITH WOODEN PAINED BOXSubwooferMagnet 60 ozVoice Coil 3¡±KSVFrequency Response 45HZ-18HZ(-10dB)Sensitivity 98dB(+/-2dB)Impedance 8 OhmRMS Power 250W11.5¡±*11.5¡±Horn 44mm Ti.Diap.Driver
Amplifier(A) TTWT-15AImpedance 4OhmVoltage 110V/220V/AC/60-50HZRMS Power 220W
Amplifier(B) TTWT-15AUSpecial function USB SLOT AND LCD SCREEN
Amplifier(C) TTWT-15AUESSpecial function USB/SD SLOT,LCD SCREEN,AND EQ