JBL Xtreme 2 review: A sturdy Bluetooth speaker that's up for serious partying | TechHive
New Firmware update on Xtreme 2, thoughts? : r/JBL
JBL Xtreme and Pulse Firmware Versions - YouTube
JBL Xtreme 2 firmware 2.3 upgrade - sound and bass test - vs v1 - YouTube
JBL Xtreme 2 New Firmware Update - Here's Whats New - YouTube
JBL Xtreme 2 - new firmware update any improvement? - YouTube
JBL Xtreme 3 review: Extremely loud, not so portable - SoundGuys
JBL Xtreme 3 Review | PCMag
JBL Xtreme 2 Portable Bluetooth Speaker | BJ's Wholesale Club
Here's actual firmware and graph of the xtreme 3, any other old graphic with previous firmware is not anymore (specially when new xtreme 3 comes with 0.2.0.4) : r/Bluetooth_Speakers
Amazon.com: JBL Xtreme Portable Wireless Bluetooth Speaker (Black) : Electronics
Review of multiple BT speakers, as well sound quality JBL Xtreme 3 vs Motion Boom Plus 00.36 Firmware : r/Bluetooth_Speakers