Airfoil

AirFoil is a program that allows you to transfer sound, usually music, from any Mac/PC computer to AirPort Express, AppleTV, iPhone/iPod Touch, or other Mac/PC/Linux computers. Since the sound source can be any program, the possibilities for combining are almost limitless. Can be transferred to multiple devices at the same time. The transmitted signal is encoded in Apple Losless, so the quality is more than enough for the most demanding audio lovers. With Airfoil, you can stream any audio from your Mac across your entire network. Whether it’s from music services like Spotify or web audio like Pandora, it can be wirelessly streamed to a variety of devices, including Apple TV, HomePod, Google Chromecast, Sonos devices, and Bluetooth speakers. It can even be sent to iOS devices and other computers. Now you can make any audio on your Mac spread throughout the house!