You can control your Mac’s music playback (volume, track skipping) directly from the receiving device. The "Free Download" Catch
Unlike standard AirPlay, which is often limited to specific apps, Airfoil can grab audio from any software running on your Mac. Airfoil 5 for Mac Free Download
If you have a "mixed" household with different speaker brands (an old Apple TV, a new Sonos, and a Bluetooth speaker), is the only reliable way to make them work as a single unified system. However, if you only use Apple devices, macOS’s built-in AirPlay 2 features might already do enough for you for free. You can control your Mac’s music playback (volume,
This free companion app turns your iPhone, iPad, or another computer into a receiver, effectively turning your old devices into remote speakers. a new Sonos