Questions about HW-K470

If you only look at the connections, this is possible (sources to AV receiver, HDMI out to soundbar, soundbar HDMI out to TV), but from a consumer electronics point of view it is very "unattractive" and anything but recommendable. I recommend using either a soundbar or an AV receiver, but because of the many sources, I recommend an AV receiver.

Thank you for your reply, package received today, Digitec was very quick! I have installed it but I have no sound on the two additional speakers, however the base is powered and connected to the sound bar, I have connected it to my Samsung TV which is from this year, I have a Swisscom TVbox. Do I need to configure anything on my TV or on my TVbox? Thank you again for your information

Basically yes. You can find speaker stands and wall mounts for them here: www.digitec.ch/de/s1/producttype/lautsprecher-staender-wandm...