I would probably go with this one if I were shopping for something in that budget... it smokes the Onkyo 6100 (Integra is the higher end of Onkyo, and this one would be equal to to 7100 in power but with preouts like the RZ50). Be aware, there is only 1 left at this price.
https://www.accessories4less.com/mak...eceiver/1.html
Retail is $1,500 new...
https://www.sweetwater.com/store/det...B&gclsrc=aw.ds
Includes DIRAC which is around $300 extra for other AVRs
https://www.dirac.com/live/rc/
https://integrahometheater.com/produ...-a-v-receiver/