The 1500 Watt IQ Amplifier is the big brother of the IQ-600 Amp. It boasts the same room correction technology as the IQ-600 but with more than double the wattage. Now the custom installer can build the strongest powered subwoofer ever. Like the IQ-600, the IQ-1500 also comes complete with the transformer, remote, and remote eye. At only 100 bucks more than the IQ-600, why not upgrade to the IQ-1500? POWER OUTPUT: 1 x 700 watts RMS @ 8 ohms 1 x 1100 watts RMS @ 4 ohms 1 x 1500 watts RMS @ 2 ohms XLR/RCA and high level input connections Room equalization Room equalization IN/OUT Subsonic filter Phase shift Phase Delay Custom flush mount design Dual gains internally mixed Music sensing ON/OFF DC turn ON/OFF IR Capability 110V/220V