Class D Integrated Amplifier Recommendations.

I have a Primare i32 with the added streamer and I think it's great. The newer model is the i35 but they have two models below that that easily fit in your price range. 

I second the Jeff Rowland Design Group Continuum. Those are phenomenal integrated. You won’t find much better, especially in its price range. Look for a Continuum 500 or the S2. They are that good and beautiful to look at too!

I have an LSA Voyager GAN amp.  I have been very happy with it so far.  Clean and clear sounding without issues at this point. 

I am very happy with my NAD C298 pair of amps. I have them set to be monoblocks. 

Fast, clean, stunning stereo, lifelike voices, and exciting bass. 

They replaced a 40Kg Roksan class AB power amp of similar cost. 

I have the PS Audio M700's in my system which I am well happy with. On your budget the M1200's would fit. I've not heard them but all reviews seem positive and they will drive anything.