There are a lot of DAC/digital to analog converters with USB inputs that can connect to the USB port on your computer without having to concern yourself with a sound card. There are also a lot of devices with the DAC and the speaker amplifier in the same chassis, like this one:
https://www.hegel.com/products/integrated/h95 as an example. There are a bunch others at different price points. Basically you need a DAC, an amplifier and speakers. A product ike this has them all-in-one, including wifi: https://us.kef.com/speaker/computer-speakers/digital-hifi-speakers-lsx-wireless-speakers/lsx-wireles...
https://www.hegel.com/products/integrated/h95 as an example. There are a bunch others at different price points. Basically you need a DAC, an amplifier and speakers. A product ike this has them all-in-one, including wifi: https://us.kef.com/speaker/computer-speakers/digital-hifi-speakers-lsx-wireless-speakers/lsx-wireles...