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KEF KUBE 12 MIE 12" Subwoofer

SKU: KUBE12 MIE

$1,499.00
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The KEF Kube 12 MIE is a high-performance subwoofer that brings impressive low-frequency impact and refinement to both music and home theatre systems. Powered by a 12-inch driver and a 300-watt Class D amplifier, the Kube 12 MIE delivers rich, authoritative bass that enhances the depth and realism of your favourite recordings and movie soundtracks.

Central to the Kube 12 MIE’s performance is KEF’s Music Integrity Engine® (MIE), an advanced digital signal processing suite that optimises the interaction between the amplifier and driver. The result is bass that feels clean, controlled, and naturally integrated with your main speakers — with strong low-end extension and minimal distortion.

The sealed enclosure design helps maintain tight, articulate bass that supports punchy rhythms and deep cinematic effects without overwhelming the overall system balance. Whether paired with compact bookshelf speakers or full-range floorstanders, the Kube 12 MIE seamlessly fills the room with impactful low frequencies, improving the sense of scale and presence in your listening experience.

Adjustable controls, including crossover and phase, along with multiple room EQ settings, let you tune the subwoofer to your room’s acoustics and placement. For added convenience, this model can also be paired wirelessly with compatible KEF systems using an optional wireless adapter, offering a cleaner setup with fewer cables.

Key Features

  • 12-inch front-firing driver for deep, powerful bass

  • 300-watt Class D amplifier for strong, effortless low-frequency output

  • Music Integrity Engine® for controlled, accurate bass response

  • Sealed cabinet design that promotes tight, musical low end

  • Flexible input options for seamless system integration

  • Room EQ presets to tailor performance to your space

  • Optional wireless connectivity with compatible KEF equipment

The KEF Kube 12 MIE is an ideal choice for those seeking rich, full bass that remains musical and well-behaved in a wide range of systems. Its combination of power, precision, and flexible setup makes it a strong foundation for both two-channel and home theatre audio systems.

KEF is a British loudspeaker manufacturer that produces a range of high-quality audio products, including home theater speakers, stereo speakers, and headphones. The company was founded in 1961 and is headquartered in Maidstone, Kent, England. KEF is known for its innovative loudspeaker designs, which incorporate advanced materials and technologies to deliver high-quality sound. For example, KEF's Uni-Q driver technology places the tweeter in the center of the midrange cone, resulting in a more coherent and accurate soundstage. The company also uses materials like aluminum, magnesium, and carbon fiber to create rigid and lightweight speaker cones that minimize distortion. KEF offers a range of products to suit different needs and budgets, from its affordable Q Series speakers to its high-end Reference Series. The company's products are also designed to be visually striking, with sleek and modern designs that complement contemporary home decor.

All orders are processed within 48 hours from date of order.

We offer Free Ground Shipping on all orders regardless of size.  

  • If you would like to receive your order quicker you can request Express shipping during Check-Out in the Comments section.  Additional charges will apply.
  • In-stock items are shipped from our Vancouver warehouse and will reach major Canadian cities in 5-7 business days.
  • Items not in stock will either ship from one of our manufacturer partners' warehouses or in rare cases first must be sent to Vancouver and then to you.  

What does MIE mean in the KEF Kube 12 MIE?

MIE stands for Music Integrity Engine®, KEF’s proprietary digital signal processing technology designed to optimize bass performance for improved depth, accuracy, and clarity.

What size driver does the Kube 12 MIE use?

The Kube 12 MIE features a 12-inch front-firing driver designed to deliver deep and controlled bass for both music and home theatre systems.

Does the Kube 12 MIE include room placement settings?

Yes. The subwoofer includes room placement EQ settings that allow you to optimize bass performance depending on where the subwoofer is positioned in the room, such as in a corner, against a wall, or in open space.

Black cube-shaped KEF KUBE 12 MIE 12" Subwoofer with a shelf above holding books and a glass.

12-inch front-firing active subwoofer

Kube 12 MIE is designed to deliver rich and powerful bass, creating a heart-pounding rumble for your favourite music and movies. It features a large 12-inch driver and a 300 Watts Class D amplifier. With Music Integrity Engine®, the Kube 12 MIE is optimised to deliver outstanding level of depth and dynamics.

Black square KEF KUBE 12 MIE 12" Subwoofer on a gray background

Feel the force

The Kube features a front-firing long throw driver with a large cone area and high excursion, delivering higher output at lower frequencies. Its efficient and cool-running 300W Class D RMS amplifier further enhances performance.

Set of black square KEF KUBE MIE Subwoofers with digital display on a gray background

Versatile immersion

The second large model in the Kube range, perfect for movies, music, TV and gaming in larger rooms and dedicated home theatres.

Why Shop at Hi-Fi Centre

Whether you're an audiophile or just getting started, we'll help you find the perfect setup with expert advice and hands-on demos. Here's why music lovers and home theatre enthusiasts choose us:

  • Curated Selection of Premium Brands - The world's best high-fidelity audio and home theatre gear, all in one place.
  • Professional Guidance & Custom Demos - Experience premium sound firsthand with help from our expert staff.
  • Exceptional Customer Service - We're here to help before, during, and after your purchase.
  • An Experience Like No Other - Step into our showroom and hear the difference for yourself.

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