The non-FF version is £283 on Panasonic's website, £250 on Amazon's (and they are doing a 5x £50 monthly payment deal too). That's kinda pricy for a small soundbar that doesn't appear much bigger than your keyboard. From the pics on the site, it appears it lacks any analogue input (eg for stereo). But I use a cheap JBL soundbar with my PC and, being compact and able to sit under my monitor, it's not a bad solution for PC audio, so this might be tempting to look at.
I really can't see how it supports Atmos or DTS:X though... what am I missing? I'm pretty 'meh' on Final Fantasy but Panasonic could almost certainly sell me on a Doom branded one.