Casio PT-87 - Review & Headphone Jack Modification

The Casio PT-87 is a tiny little toy keyboard from 1987. I will show how to install an Headphone Jack and give a full demonstration of all the features. Affiliate Links The keyboard shown in this video is only available on the used market. But if you like to buy a new musical instrument, consider using one of the following links: EU: https://www.thomann.de/?offid=1&affid... US: https://www.thomannmusic.com/?offid=1... This won't cost you anything extra, but I'll receive a small commission, which helps support my channel. Or support my channel by buying a Keen On Keys album on Bandcamp: https://keenonkeys.bandcamp.com/ Listen to some tracks on Soundcloud:   / user-229361059