KEF has presented a brand new flagship subwoofer that is said to achieve twice the volume of the KC62 and, thanks to 1000 watts of power and 11 Hz of bass, emulates the experience of a live rock concert in the living room. Four more affordable Kube models are also on offer.https://www.notebookcheck.net/KEF-unveils-five-new-subwoofers-including-KC92-force-canceling-flagship-with-1000W-and-11-Hz-deep-bass.805347.0.html
Quotefrequencies up to 11 Hz.
You mean down to?
Finally an article about an audio product that ISN'T a rubbish soundbar.