The Merging Anubis can decode ambisonics from your DAW directly to your monitors, in hardware:
https://www.merging.com/products/int...merging+anubis
of course, it's also a "normal" 4 in, 4 out ADDA interface. The Pro version is 1.495$ (up to 192 KHz), the DSD version is 1.995$.
It's also networked (Ravenna/AES67) and comes with a Linux driver (ALSA)!