Airfoil App on Mac: Install the third-party application Airfoil on your Mac. This versatile software facilitates streaming audio from your Mac to other devices on the same Wi-Fi network, including Apple TV, Chromecast, and Sonos.
Airfoil Satellite on iPhone: Download and install Airfoil Satellite, Airfoil’s companion app, on your iPhone.
Bluetooth and Wi-Fi Connectivity: Ensure Blue... https://truegazette.com/use-your-iphone-as-a-wireless-speaker/