Sony XB31 Watts Output, Input, Battery, Adapter…

The SRS XB31 Sony Bluetooth speaker is a moderate to medium power, desktop style unit with sufficient music watts to fill a typical size room with full 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 how much power … Continue reading Sony XB31 Watts Output, Input, Battery, Adapter…