KEF Kube 12b Subwoofer (Black)
KEF Kube 12b Subwoofer (Black)
KEF Kube 12b Subwoofer (Black)
KEF Kube 12b Subwoofer (Black)
KEF Kube 12b Subwoofer (Black)
KEF Kube 12b Subwoofer (Black)
KEF Kube 12b Subwoofer (Black)
KEF Kube 12b Subwoofer (Black)

KEF Kube 12b Subwoofer (Black)


Regular price £699.00 Save Liquid error (product-template line 128): -Infinity%
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Delivering immersive music and home theatre sound that takes you to the heart of the experience, the Kube 12b Subwoofer from KEF effortlessly unleashes explosive power. Using Intelligent Bass Extension (iBX) technology to create an extended depth that unlocks the full potential of the custom driver, it gives you unparalleled precision and ultimate synchronicity between amplifier, driver and sealed cabinet. Kube subwoofers offer unmatched set up flexibility. A range of LFE, line and speaker-level inputs, phase selection and DSP controlled EQ settings help you get the best from a Kube. Put it in a convenient position, match it to any main speaker or type of music system and start exploring new depths in the sound, perfect for creating a deep and clean rumble in large rooms.

Technical Specifications:

  • Design: Powered subwoofer (sealed)
  • Unit measurement: One piece
  • Drive units: 1 x 300mm (12in.)
  • Power requirements: 100V - 120V / 220V - 240V ~ 50 / 60Hz
  • Frequency response: 22Hz-140Hz (±3dB)
  • Variable low pass filter: 40Hz - 140Hz & LFE
  • Maximum output: 114dB
  • Amplifier power: 300 Watts RMS
  • Amplifier type: Built-in Class-D
  • Inputs: RCA phono sockets speaker level inputs
  • Analogue input: RCA phono sockets speaker level inputs
  • Finish: Black
  • Product code: SP3941BA
Weights and Measurements:
  • Weight: 20.6kg
  • Dimensions: (with rear panel and feet) 41cm H x 39.3cm W x 41cm D



    Delivery / Returns

    Always Available

    Everything you see on the Burton Blake website is available and ready to be dispatched to you. If for any reason an item is not available it will be removed from the site until it is back in stock.

    Free UK Delivery

    If you spend £25 or more with Burton Blake UK express delivery is free of charge.

    If you spend less than £25 we will charge you £3.95.

    Delivery to Europe is £9.95 and the rest of the World is £39.95.

    Delivery Times

    We aim to process all orders on the day they are received. We only use express delivery services so your order should be with you within a few days. You will receive an email to notify you when your order has been dispatched.

    Easy Returns

    Our standard policy allows purchases to be returned up to 30 days after order date. The item must be "as new" and in its original packaging to qualify for a full refund. Please email to request a returns authorisation.