Sub wooper didnt work
The sub wooper didnt function anymore..how to repair?
The Harman Kardon Onyx Studio 2 is a portable Bluetooth speaker manufactured by Harman Kardon in 2015, identified by model number TR00236_B.
could be the speaker itself or the circuit board. You wil have to open it up and take a good look around. Check for missing, charred or otherwise damaged components. Also, check for loose wires etc. Use this guide Harman Kardon Onyx Studio 2 Speakers Replacement to work on it and use this guide 在已经存在的问题里加入图片 to post some images of what you find with your question. That way we can see what you see.
2 - 5 minutes
25 - 35 minutes