The KUBE 12b is a 300W 12" front-firing, sealed box powered subwoofer whose output is powerful as much as it is musical. KUBE 12b comes with 3 pre-programmed custom EQ settings - free standing, corner, wall and in-cabinet installations - to best suit the setup of your room. Customise your KUBE 10b even further by adjusting the gain, phase, low pass filter, and crossovers to your liking and listening habits. The KUBE 12b subwoofer features KEF Smart Compression limiting, which allows the subwoofer to play louder and remain dynamic and effortlessly musical KEF Smart Connect, automatically detects whether an LFE or stereo input is connected and adjusts the KUBE 12b subwoofers volume level accordingly. Wireless capability: the expansion port on the rear panel of the Kube 12b allows wireless integration within a theatre system using the KEF KW1 Wireless Adapter Kit.