I am looking for a used ID8 or IDQ8 with dual 4 ohm coils. I'm not interested in D2 subs. I'm willing to pay or trade. I have precision power arts, power class amps, phoenix gold tantrum amp, JL W3 subs, MB Quart sub, Audiobahn sub, Polk 6.5 components, Focal components and will trade up(add...