KEF Kube 8 MIE 8" Compact Powered Subwoofer The compact Kube 8 MIE may not take up much space, but the bass it delivers is far from small. With an 8-inch driver, it is ideally suited for smaller rooms. By sharing the same 300 Watts Class D amplifier from it's larger siblings, Kube 8 MIE exhibits unprecedented levels of control. With Music Integrity Engine®, the Kube 8 MIE is optimized to dynamically extend the bass depth. Product Highlights: Frequency response: 34-140 Hz (-6dB) Proprietary Music Integrity Engine (MIE) leverages custom digital signal processing algorithms to provide optimal, accurate bass response from each model in the Kube family Built-in Class D amplifier delivers 300 watts RMS Custom-designed 8" woofer Compatible with the KEF KW1 wireless subwoofer adapter kit for easy room placement iBX (Intelligent Bass Extension) digital signal processing provides deep, dynamic bass at any listening level 3 placement presets (free standing, in-cabinet, or corner) let you choose y