How much does it cost to run a surround sound system? - Livingetc

... about $9.10/month if you use the system for an average of 2 hours a day. ... Apple Homepod 2 on wood side table being tested in writer's home.

source https://www.livingetc.com/advice/how-much-does-it-cost-to-run-a-surround-sound-system