Ive got an old Rockford Fosgate P2 10" S8 sub. Trim ring, 200RMS/400 Peak, but its good old school Fosgate. Should take 300RMS all day long if you tune it right.
I have 2 kicker cvr 10's only 3 weeks old and an 1800 watt kenwood amp, does 900 watts rms at 2 ohm, in a truck box....make me an offer i need to get my new amp, just pm me