It’s telling that your amp has the same rating at 4 ohms, as 8. A good amp would be roughly double its 8 ohm rating at 4 ohms. My Anthem amp for instance is 225w at 8 ohms, but 400 at 4 ohms and 600 at 2 ohms. That amp is $2,300, and does a great job with my classic 9’s.
Don’t get too...