For $1500 you may get a streamer ,for around $2k a pretty respectable dac the the Pangea 2 12 th anniversary
no combos they are crap, and please keep in mind At least decent Ethernet cables minimum $200 + each as well as a good good usb cable.Ethernet hub the SW8 it has oven clock ,regulated power supplies and a built in LPS around $600 a Quality LPS is a must for the router ,the horrible wall warts are just inducing more noise
most modem- router combos are 12v 4 amp , linear tube audio make a exceptional
one on Audiogon $50 off for $700 easy to hear the difference ,with digital as I. Analog leave no weak link in the chain.