MiniDSP nanoAVR HAD 2-input HDMI audio and video switch
Crestron DMC-4KZ-HD-DSP HDMI Input Card | eBay
Amazon.com: Bluetooth Sound Bars for TV with Dual Subwoofer, 2023 Upgrade 2.2CH Home Theater Audio Detachable Sound Speaker System&10 DSP, HDMI/Optical/Aux/USB Soundbar, 2 in 1 Surround & Wall Mountable 32 Inch :
S-DSP-HDIF-3 DISPLAY PORT TO HDMI FEMALE 3 ft. CABLE - S-DSP-HDIF-3 - Walmart.com
Crestron DMC-4K-HD-DSP-HDCP2 4K HDMI Input Card With Downmixing For DM Switchers | Full Compass Systems
miniDSP Flex HT - 8ch USB/HDMI + DSP + 8ch DAC for Multiway Speaker Processing - Dirac Live Room Correction