KEF Kube 10B Subwoofer

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The KEF Kube 10b is a 10 inch sub-woofer which incorporates a 300 watt built-in amplifier for  powerful low frequencies that you can hear and feel.

Each KUBE Sub-woofer is elegantly designed to match the decor of your home. The fully sealed unit unleashes explosive power effortlessly, intuitively and intelligently. KEF's iBX technology extends the bass depth dynamically, unlocking the full potential of the driver’s power at normal listening levels or even at the most extreme. The DSP amplifier analyses your input signal and applies KEF's iBX, allowing the sub-woofer to play louder and remain dynamic at any listening level.


  • 10" Woofer
  • 300 watt built-in Class D Amplifier
  • DSP preamplifier / EQ
  • 24 Hz to 140 Hz Frequency Response
  • 111 db SPL
  • Variable Low Pass Filter
  • RCA / Speaker Level Inputs
  • Colour: Black Satin
  • 5 year Warranty
  • Dimensions: 370 mm (H) x 353 mm (W) x 370 mm (D)
  • Weight: 17.4 kg

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