I have 7 alpine type r subwoofers. 3 are dual 4 ohm and four are dual 2 ohm, and i have an alpine type x subwoofer.
the amps are a fosgate t1001bd amp and a ulz1001 which are 1000 rms watts mono.
the ulz is 1000 rms watts @ 2ohm and 500 rms watts @ 4 ohm and fosgate t1001bd is 1000 rms watts @ 1 ohm.