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KEF KUBE 12b Powered Subwoofer

   
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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. 

The Kube 12b features a 12" bass driver powered by a 300 watt RMS bespoke class D amplifier and 3 custom EQ settings for easy placement.

Model Kube12b Subwoofer
DESIGN Powered Subwoofer
DRIVE UNITS 1 x 300mm (12in.)
FREQUENCY RANGE 22Hz - 140Hz (±3dB)
MAXIMUM OUTPUT 114dB
AMPLIFIER TYPE Built-in Class-D
AMPLIFIER OUTPUT POWER 300W RMS
VARIABLE LOW PASS FILTER 40Hz - 140Hz & LFE
ANALOGUE INPUT RCA phono sockets
Speaker level inputs
POWER REQUIREMENTS 100V - 120V / 220V - 240V ~ 50 / 60Hz
DIMENSIONS (with Rear panel and feet / H x W x D)
410 x 393 x 410mm (16.1 x 15.5 x 16.1in.)
WEIGHT 20.6kg