Creative Sound Blaster Play! 4 Hi-Res USB-C Sound Adapter for Windows PC - Newegg.com
Amazon.com: StarTech.com 7.1 USB Sound Card - External Sound Card for Laptop with SPDIF Digital Audio - Sound Card for PC - Silver (ICUSBAUDIO7D) : Electronics
The STM32 Makes For A Cheap DIY USB Soundcard | Hackaday