Jbl Boombox 3 Sound comparison between the old and the new firmware - YouTube
HELP! JBL Boombox 1 won't charge when plugged in. Flashing red light at all times then powers off. Factory reset doesn't help. I know I need to do a software update but
Just got New firmware on my JBL Boombox 2.0.0 to 2.9.0 : r/JBL
JBL Boombox Firmware Update Instructions - Tom's Tek Stop
JBL Boombox 3 review - STEREO GUIDE
JBL Boombox 3 Portable Bluetooth Waterproof Speaker | World Wide Stereo