JBL Xtreme 3 Watts Output, Input, Battery, AC…

The Xtreme 3 JBL Bluetooth speaker by Harman Kardon is a medium power, shoulder-carry style unit with enough RMS watts to fill a mid to large size room with decent sounding tunes. But what do the watts a BT speaker has, tell us about how good it is?  Firstly, the watt is a measure of … Continue reading JBL Xtreme 3 Watts Output, Input, Battery, AC…