That 11.1.4 on the soundbar box isn't a speaker count, and some of those channels don't exist

Black Friday soundbar listings can sometimes read like a bidding war, with a 5.1.2 next to a 7.1.4 and an 11.1.4 a few hundred dollars higher, all under the same ticking sale timer.

Source : https://www.pocket-lint.com/soundbar-channel-count-vs-speakers/