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KEF Kube12b Subwoofer

KEF Kube12b Active Subwoofer £699 - finished in Black Discover sound’s hidden depths with KEF Kube subwoofers. The Kube unleashes explosive powe … Read more
£ 699.00
10 items in stock
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  • Dimensions

KEF Kube12b Active Subwoofer £699 - finished in Black


free_shippingDiscover 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.

Go deep or go home. KEF’s design and engineering team worked in chorus to develop iBX. This Intelligent Bass Extension algorithm creates an extended depth that unlocks the full potential of the custom driver. Giving you unparalleled precision and ultimate synchronicity between amplifier, driver and sealed cabinet.

Easy configuration
Your room, your rules. Kube subwoofers offer unmatched flexibility in configuration. With a range of LFE, line & speaker-level inputs, Phase selection and 3 DSP controlled EQ settings to help match your sub to any room placement, you’re in control right out of the box. Set up the Kube where it’s most convenient to you, match it to any main speaker or with any type of music system and start exploring new depths in your sound.

We’re on the same page. KEF is quite possibly the only high-end manufacturer who designs, engineers and assembles the driver, cabinet and circuitry in-house. This level of integration is the hallmark of our commitment to pure sound and the Kube stays true to that ideal. What you get is a driver and amplifier so perfectly attuned they sing in absolute harmony.

Subwoofer: Kube12b

  • Closed Box Powered Subwoofer
  • Woofer : 1 x300mm (12")
  • Crossover Frequency: 22 - 140 Hz
  • Variable low pass filter: 40Hz - 140Hz & LFE
  • Amplifier: 300W Class D Amplifier
  • Max. Output : 114dB
  • Low level signal inputs: RCA phono sockets Speaker level inputs
  • Weight: 20.6 kg
  • Dimensions (H/W/D) :410 x 393 x 410 mm
20.6 kg
393 mm
410 mm
410 mm

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