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
JBL Xtreme - NEW Firmware UPDATE - NO MORE DISTORTION [2017] - YouTube
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 Live - JBL App EQ Update
JBL XTREME 3 Portable Bluetooth Speaker - Grey | Reverb
New Firmware update on Xtreme 2, thoughts? : r/JBL
Updating Firmware on JBL Xtreme Speaker - Tom's Tek Stop