Apple has a technology called AirPlay that enables you to do just this. You can play music wirelessly from your iPhone on an AirPlay speaker; or play video stored on your iPhone on a television set
Stream content using AirPlay with Apple TV - Apple Support Set up Apple TV to stream audio to AirPlay 2–enabled devices To stream audio from Apple TV to other audio devices such as HomePod or other network-connected speakers, add your Apple TV to a room in the Home app on your iOS or iPadOS device. Make sure you’re signed in with the same Apple ID on the Apple TV and the iOS or iPadOS device. How To Activate Apple Airplay On MAC, IPhone And Android Jul 23, 2020
Does my TV support Apple AirPlay 2 and HomeKit? | Sony USA
Apr 11, 2020 Apple AirPlay and HomeKit | VIZIO VIZIO with Apple AirPlay 2 & HomeKit. 1. Effortlessly stream, share and mirror your favorite content and personal memories from your iPhone, iPad and Mac. Easily and securely control your TV using the Home app, Siri, or from Control Center on your Apple devices.
Apple TV is also AirPlay 2 ready now, so during any playing video a swipe down from the top brings down the info bar. Swiping to Audio shows any AirPlay 2 speakers that can be streamed to.
How to Save Audio from Apple Music on Mac via AirPlay Then, open Apple Music on your Mac. To the right of the volume slider in Apple Music, click the Airplay icon. Next, you need to choose a speaker or TV that you want to play the current audio to by checking the box marked against it. 4. How to use AirPlay to stream audio from Apple TV? When you play the audio that you want to stream from your Help: How do I AirPlay from doubleTwist v2 to Apple TV After installation, launch the utility and you should see your Airplay device in the list of devices. The example screenshot is that of an Apple TV. If you do not see your device, your network is not properly configured for Bonjour/ZeroConf. Please reconfigure your network for Bonjour/ZeroConf. Apple maintains a Bonjour/ZeroConf support site here. How to 'AirPlay' Your iPhone to a Roku TV or Roku Nov 28, 2018