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 4 Red Main Board/ Speaker/ Charging AUX Port Replacement Part | eBay
1PCS For JBL Flip 4 Bluetooth Speaker Motherboard
Reverse-engineering JBL flip 4 | Hackaday.io
Материнская плата с jbl flip 4: 650 грн. - Комплектующие и аксессуары Згуровка на Olx
Jual Jbl Flip 3 Se Juli 2023 Harga Termurah - Cicil 0% 3x di Tokopedia | Tokopedia
ORIGINAL MOTHERBOARD FOR REPLACEMENT JBL Flip 4 Part $23.00 - PicClick