ok, rockford fosgate out.
about audiobahn...coz they are stable @ 1ohm and a bit cheap option.
but now i also found kenwood amp. x811d. 1000 rms @ 1 ohm. like 200$ shipped.
should i go for kenwood?
i bought Boston acoustics FX6 for the rears as ANALOGKID adviced , get 6.5".
now the question...