A1-MR Smart Home Multiroom Streaming Music over Wifi
How to log into streaming services via UNDOK - YouTube
UNDOK - Apps on Google Play
Portable Systems Splendor Y | Klark & Helmer
Hama Wireless Subwoofer Multiroom (Wireless Connection via UNDOK App, Active Subwoofer for Expansion of Sound Systems and Radios) Black : Amazon.de: Electronics & Photo
Ruark Audio MRX
Undok for Android - Download the APK from Uptodown