A:Answer No, this is USB-C, the iPhone 11 is Lightning. For that please see the Blink 500 B3. That is the same system but with a Lightning output.
https://www.bestbuy.com/site/saramonic-2-4-ghz-wireless-clip-on-mic-system-w-lav-dual-lightning-receiver-for-iphone-ipad-blink-500-b3/6371601.p?skuId=6371601