IIRC, ecost is not reliable. I think it might be a risky idea.
Also, IIRC, I think it was the 789(?), that distortion rises rapidly at 4 ohms, past 20 watts. Someone got real touchy when I last mentioned that, but, just fwiw. NOT that I know of a better candidate at the price point.
I know for just a tad more than $300, you might think about a Yammy 663, or at maybe $380 an Onkyo 606, among other brands/candidates.