The slim and discreet OBERON ON-WALL C comprises a compact low profile rear reflex loaded cabinet fitted with a 5.25\" DALI wood fibre cone SMC bass/mid driver and a DALI ultra lightweight 29mm soft dome tweeter. The OBERON ON-WALL C was designed with TV audio very much in mind and despite its compact dimensions the combination of DALI technologies employed endow it with performance comparable to significantly larger speakers.  SoundHub w/BluOs Module OBERON C series speakers are additionally compatible with the DALI SOUND HUB wireless audio preamplifier originally introduced with CALLISTO C series. In addition to providing Bluetooth and a variety of wired audio inputs the SOUND HUB is equipped with facilities for future expansion and upgrade. For example with its optional NPM-1 BluOS module installed the SOUND HUB can provide MQA certified high resolution music streaming and multiroom functionality as well as supporting Spotify Connect.