i cant get my iphone 11 to only have sound on my truhearing aids.

Hi pineholly,

Welcome to the Apple Community, where some of us do our best to help each other.

Wondering if you need to download an app specific to your truhearing aids.

This is a link to truhearing's "Tech Tips"

http://9a577907b968f4349cf2-8250b0a3feea020289d5768bda2f75a1.r41.cf1.rackcdn.com/2015_web_images/TruHearing%20App%20FAQ_tech%20tips.PDF.

Apple Support have an article online to help with pairing hearing aids:

How to use hearing devices with iPhone, and adjust the settings::

https://support.apple.com/en-au/guide/iphone/iph470b1833/ios

Please feel free to "Post" here again, if you need more help.

Hope this helps you :)