I am looking for an amp preferably in the GTA. I need to push an Alpine Type R 2ohm DVC sub (1021D) which is 300RMS.

Preference Alpine or maybe RF (old school)

I need either a Mono that will push 350 - 500 RMS at 4ohm

or

2 channel that will push about 250-300 RMS per channel at 2 ohm