well i am getting a 12" Atlas and now need an amp. the ppi a300.2 is out of the question they are too hard to find plus im sketchy about getting used amps. i wanted to stick with class D amps, im not sure if these are i doubt they are though. how are they? Phoenix Gold Tantrum 300.2 (300w rms) Phoenix Gold Octane R2.5:2 (250 rms)