8 inches bass driver active subwoofer
Don't let its compact size fool you, the Kube 8b may not take up much space but the bass it delivers is anything but small.

With an 8 inch driver the Kube 8b is perfect for smaller living rooms. It shares the 300 Watts Class D amp from the bigger Kubes and has iBX technology to extend the bass depth dynamically.

Discover sound’s hidden depths with KEF Kube subwoofers. The Kube unleashes explosive power intelligently thanks to iBX technology that extends bass depth dynamically. Delivering immersive music and home theatre sounds that drive you deeper into the heart of the performance.Explore new dimensions in sound with Kube, KEF’s powerful range of subwoofers that open up sound’s hidden depths.
Each elegantly designed, fully sealed unit unleashes explosive power effortlessly, intuitively, intelligently. iBX technology extends the bass depth dynamically, unlocking the full potential of the driver’s power at normal listening levels or even the most extreme. And with KEF’s unique capability to design, build and integrate the driver in-house, we take optimisation to a whole new level. Delivering immersive music and home theatre sounds that drive you deeper into the heart of the performance