They can be fed via Bluetooth, TF card, Line In jack cable and plays FM radio.
Bluetooth pairing is password-free. Unlike the larger models much trouble-free.
So here goes the connection 1-2 meters and is more stable - even if the battery becomes weaker.
Likewise, you can make calls via Bluetooth, from the integrated Micro but you should not be too far away.
In radio mode, you can be assigned via automatic search broadcasting station.
The BX-100 found with 31 more stations than the other models, if not all were here really hörtauglicher reception quality.
The much greater benefit is that the BX-100 also allows manual frequency settings.
As with the other BX models, cards and cables mode are only available, if cable or card were plugged.
While you can change all modes other stations or title, only the volume is due to technical reasons regulated in Kabelzuspielung.
The number of support codec is better than many more expensive manufacturers.
The sound itself is beautiful from space, with quite fresh treble, bass is rather rudimentary.
Radio can not quite keep up, but the sound quality is across media - assuming proper source material - very homogeneous.
Conclusion. The small BX shows it big. Those who do not necessarily need a thumping bass bomb, gets the most convincing versatile package.