"Good luck finding unamplified music.
Even the buskers have battery smpsy."
Piano can do. That is how I know that my system is not Hi-Fi.
What does Hi-Fi Even Mean anymore?
Some interesting perspectives:
What Does “Hi-Fi” Even Mean Anymore? This Is What the Experts Say (gearpatrol.com)
What Does “Hi-Fi” Even Mean Anymore? This Is What the Experts Say (gearpatrol.com)