harman kardon

** Please forgive me if this is not the proper forum for my question ** I am looking for repair assistance or parts availability information regarding my Harman Kardon Onyx Studio 3 portable speaker. Its internal Li-ion battery became depleted. I replaced it, the speaker now operates but it...

Hello guys. This is my first post. I recently got these speakers for free, and right away i notices the speakers have no output sound at all, completely silent. First thing i did was a inspection of the board, which looked perfectly fine. After i plugged the original adapter i hear a small pop...