This is the first in what will, hopefully, be a regular series of videos. If there’s something Apple II related that you would like to learn, leave a comment.
More information and purchase links for the headphone jack part are available here:
http://retroconnector.com/products/apple-ii/speakerheadphone-adapter-for-apple-ii/
Thanks to Ivan Drucker for the loan of his Apple IIc Plus for this video. See more of his Apple II work at his website: http://ivanx.com/appleii/