So i was watching a teardown of a charge 5 and saw that there are screws that need to be unscrewed in order for the ,,skin'' of the speaker to come off,
JBL Pulse 3 Charging Port Replacement - iFixit Repair Guide
JBL Flip 2 Look inside Disassembly | How to disassemble | Teardown of Flip 2 | Complete look inside - YouTube