Patent-pending technology enables sub break-through

KEF has released an absolutely tiny (246x256x248mm) powered subwoofer, KC62, that uses three new KEF technologies to deliver unprecedented levels of deep bass.

“KEF’s new 1,000-watt KC62 subwoofer surpasses traditional expectations of what a subwoofer can achieve based on its size,” said Nigel Ng, of Advance Audio, which distributes KEF in Australia.
…
Continue here:
https://www.whathifi.com/news/kefs-tiny-kc62-subwoofer-delivers-unprecedentedly-deep-bass-for-its-size