Hello and sorry you're having problems. The original remote for your JBL SB400 is not available for purchase anywhere. However there is a pre-programmed remote that is designed to operate this system, and can be located at the link below:
If you need further assistance let me know. Please do not forget to click the 5 STAR RATING, at the top of the page for my efforts. It is my livelihood and you can follow up at any time if needed.
Do you need further assistance with this?
If not, could you please click the 5 STAR RATING, at the top of the page for my efforts? It is my livelihood and you can follow up at any time if needed.