Have an OLED 4K Samsung TV sonnected vis E-ARC to the Sonos ARC & Directv with 2 GEN 3 Subs & 2 SL ones for Rear. I have Seatcraft theater seats with “soundshaker’ in them -- bought the AMP to use the RCA in and out to power these and so the seats will shake when playing a movie….Question is th following:

When I added the AMP to the App it added it as its own room and will not allow me to add to “Home Theater” where the rest of the components - why?

Need help or if this solution wont work Ill have to ship the AMP back as it would be a waste otherwise...