A:Answer It is a 2,1 Soundbar. The first number is the number of channels (2) for LEFT and RIGHT. The .1 is a subwoofer. Other designations are 3.1 for Left/CENTER/Right plus sub, 5.1 for Front L/R and Rear L/R plus sub.
a 5.1.2 would be for Dolby Atmos with a 5.1 system plus two upfiring speakers, and 5.1.4 would be Full surround with 4 upfiring speakers.