clad19842 years ago000Hello, what is the difference with the AVR S660H? Thank you in advance.Show in original language (French)Noa Von der Crone2 years ago+110The AVR-S670H is characterised by an additional USB port and has an updated graphical user interface as well as an improved Bluetooth module. It also offers the option of two zones with individual power supply.Show in original language (German)Comment