You can also connect analog devices to the speakers via the 3.5 mm Jack, in addition, it is also possible to connect an active subwoofer, either with a standard cable or wirelessly. If you choose a wireless connection, you will need to purchase an Audio Pro C-Sub subwoofer. The speakers are equipped with a powerful digital amplifier class D with a power of 150 W. Thanks to the Audio Pro application, the speakers can be integrated into a multiroom solution. Have a speaker in every room and play to one or all at the same time. Everybody can play their personal music on which ever speaker. Play from internet streaming services, from a computer or NAS in your network, or music on your phone.