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
How to use AirPlay to stream videos to your TV - The Verge May 12, 2020 Can You Use AirPlay on Windows? - Lifewire Jun 23, 2020 How do you enable Airplay?? - Apple Community Nov 24, 2010 How to AirPlay to Apple TV on iPhone, iPad, and Mac | iMore
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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