best low priced bookshelf speakers

If possible, I would try to increase the budget to at least $600-1000.
At that price point, you could find some killer deals on used speakers.
I only see an Outlaw 2150, which is rated at 100wpc, so, you should have a wide variety of bookshelf speaker to choose from that the amp can power easily.
Bob

Gdnrbob gave you wise advice.

Everything is built to its price point, so at your $200 strata, it’s distilled down to just a pick-one-of’em exercise.

All good advice.  I was looking at used speakers up to $300 and many were there.  There is a pair of NHT classic 2's at $141 but as was said they might not be the most fulfilling.  They originally retailed at $600 although price isn't the best indicator of sound and I have not listened to them.