Class D amps w/ digital inputs?

Thank you all for your responses.
Ballan, thank you, no, I'm not making that assumption.
I'm really looking for a power amplifier with digital inputs capable of outputting 500 Watts @4 Ohms.

Mapman, you might want to look here:
https://www.tactlab.com/tact_webshop/
TacT offers a few different products that can be configured in different ways.