I recently stumbled upon this handy site called Audiopal. You can make one using your phone, type text, record by microphone, or upload an existing mp3, and the site will load it onto its server and send an embed code to your email. It embeds as a mini player that visitors can click and listen to.
This is a good way to provide verbal instructions to struggling readers or to just share a song you like. The max file size limit for an mp3 upload is 6 GB, and you can record up to 1 minute with the microphone option. It's free and very user friendly. Here is my example that I made using the text to speech feature:
