It sounds like you're looking for a patch to activate a hearing aid function on your headphones during recording, which can be incredibly helpful in amplifying sounds. While I don't have information on a specific patch for this purpose, I recommend reaching out to professionals at places like
staten island audiological. They may be able to provide insights, guidance, or potential solutions to help you achieve the functionality you're looking for. It's worth exploring expert advice to ensure that you can effectively enhance your listening experience.