Versatile and with powerful sound: The DIGITRADIO 631 is the perfect music system for true music fans. No matter which genre or playback option you prefer, your favorite music comes through clearly and richly from two 20-watt speakers, supported by an integrated 30-watt subwoofer. The DIGITRADIO 631 outshines many stereo systems not only in terms of sound. In addition to DAB+ digital radio and FM, you can access over 40,000 internet radio stations worldwide thanks to the integrated Wi-Fi functionality. For a change, you can enjoy your CD collection or play your favorite music via Spotify Connect or from your mobile device via Bluetooth. And so your smartphone doesn't lose battery power while streaming music, you can wirelessly charge your QI-compatible device directly on the DIGITRADIO 631. If you use Amazon's Alexa voice control at home, you can also use the DIGITRADIO 631 as an output device within the Alexa ecosystem.