i have this NBN 4/3/2 channel 1000watts amp juz wondering if it can power 2 15" ENHANCED BASS, each 600watts peak subwoofers.i don't know much about this subwoofer nor the amplifier.are they any good or juz crap? the amp RMS is 80watts by 4.impedance 4ohms,the same as sub.dont know Rms for the sub.help pleez....