What's the purpose of a preamp? Do you want remote volume control? Would a passive preamp work? It would allow you to switch sources and turn down the volume. Are you going to listen to vinyl? For that you would need a phone input. If you are going to vinyl what kind of cartridge moving coil, moving magnet.
You need to decide how many inputs you need,. What are the devices. If it's just a DAC and video you would be better off with a simple AB switch box.
You need to decide how many inputs you need,. What are the devices. If it's just a DAC and video you would be better off with a simple AB switch box.