JBL Flip 4 Replacement Parts Board/Ports/Battery/Speaker/Grill/Cover/Radiator | eBay
So, I have this old JBL Flip 2, it didn't turn on, that was an easy fix, however, it stopped producing audio, I hooked up the speakers directly to my headphone jack
JBL Flip 2 MicroUSB Port Replacement - iFixit Repair Guide
JBL Flip 2 Complete Teardown - YouTube
JBL Flip 2 MicroUSB Port Replacement - iFixit Repair Guide
Stef de Groot - Disassembly Studies
JBL Flip 2 MicroUSB Port Replacement - iFixit Repair Guide