KEF

Who doesn't love at least the occasional dose of deep, hard-hitting bass? I haven't yet met that person. But for the rest of us, thank goodness there are subwoofers like KEF's surprisingly compact, totally high-tech KF92. Its dual 9" hybrid aluminum woofers are arranged back to back, in a configuration that cancels out the forces that can cause unwanted interaction with the cabinet. Translation: purer bass that can get immensely loud. (KEF even puts a number on it: up to 110 dB, which is rock-concert volume level.) But this wouldn't be a KEF sub if it was all about playing loud. Each woofer is made up of a shallow aluminum skin atop a paper cone. This hybrid design allows very precise movement, for dynamic, accurate bass. And each features a huge motor system and vented voice coil, for dynamic, fluid bass that goes down well below the human hearing threshold. KEF's IBX (Intelligent Bass Extension) is a digital signal processing engine that analyzes the input signal and applies customized processing to keep...