How to Use HomePod With Your Mac Using AirPlay<img style="float: left; margin-right: 10px"  src="

"> 
Yes, the HomePod is a Siri enabled speaker which only works with Apple Music. But HomePod is also an AirPlay speaker. Which means you can use it as a speaker with any device that supports AirPlay – including your Mac. For this feature to work, both your Mac and HomePod will need to be on the same Wi-Fi network.   
Continue reading <span class="meta-nav">→</span>Source: 
How to Use HomePod With Your Mac Using AirPlay