as the first time a note .. if I order a product NEW I expect a brand new machine .. I got a returns / return unit to sent .. after calling the hotline, I got a choice of a replacement unit or a refund of 50 Euro .. I have the money taken as I had hoped for it to work, and at last there was .. well then the disillusionment: the setup microphone plugged .. recognition started .. Error message! No microphone detected .. after repeated attempt the negative were also the microphone again packed ..so manual configuration .. the menu I find not bad .. but it's better than I know now .. when everything was set was the sound of my brand new Devil boxes come but to my astonishment I had to turn up the volume so that receivers almost rudimentary steam comes out .. Sry but with 7 x 150 Watt ?? I was disappointed .. also worked with me, the Bluetooth connection is not correct .. ever .. Verbindungsabrüche as total was too much what did not work and so he went back. I'm now a Denon X3100 W and am very satisfied with the .. I had previously an old Yamaha, almost 13 years, which is still running but has just not enough steam for the new boxes, the ex .. So shut in load should one caught her new Yamaha .. well maybe I just got a Monday device .. but the fact that there is provided a return device at NRC order does not go! each of luck to get delivered a new and who is also OK ... have fun with it, I unfortunately did not have him.