AMPS, POWER CAP, FUSE BOX COST OVER 400 NEW ?

HERE WE HAVE A SETUP OUT OF MY OLD CAR. 4 CHANNEL 600 WATT AMP FOR THE SPEAKERS AND A 1500 WATT AMP FOR THE BASS. THERE IS A CAP FOR THE BASS AMP AND A KICKER FUSE BOX. THIS SET UP COST OVER 400 NEW.