The source as a folder does not work for me, the files does. I have done as you say above. Could it be a problem if other plugins for radio and audio is on the site or do you have a suggestion for me to test?
JoomlaShine products are available for free on GitHub. So, anyone can download and use them for free (No license checking). - JSN Extension Framework 2: https://bit.ly/3SdO7od - JSN Extension Framework 1: https://bit.ly/3MJJnWt - JSN PageBuilder 4: https://bit.ly/3gmYclw - JSN PowerAdmin 2: https://bit.ly/3CO5VAK - JSN Uniform: https://bit.ly/3CR74r6
Note: You need to download and install JSN Extension Framework before installing the others (Gen 2 for JSN PageBuilder4 and JSN PowerAdmin 2. Gen 1 for JSN Uniform).
ALL THESE PACKAGES ARE COMPATIBLE WITH JOOMLA 3 ONLY.
It is strongly recommended to backup your site, then install these packages in that backup for testing before installing them on the production sites.
I use JoomHelper Media Plugin in article body. It works, but with some issues: two audio player's panel displays! Top content is your pretty plugin, and bottom is ugly html5 audio. How can I block html5 panel displaying?