Have this AV receiver now 3months and have it for a second bereut.Der sound in all areas top! As boxes I use the Victa series of Heco 701 - Center 101 Sub - 251A .Keinerlei problems with the software, no crashes the app via smartphones! Workmanship and design very well! And yes read at a price of 469 correct !! at that time was an offer I had to strike immediately. Clear 5stars from me!