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KEF Kube 12 MIE Subwoofer

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.

Preorder Status

KEF Kube 12 MIE is now available for preorder and estimated to arrive in end-April 2024. For more info, please chat live from 11am to 7pm or leave a message in the bottom left corner of the screen. Thank you.


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Warranty Details

2 Years Limited Warranty 

Seamless elegance

The sealed cabinet design facilitates optimal placement, while the contemporary design seamlessly blends with the room's decor.

Music Integrity Engine® (MIE)
KEF‘s proprietary DSP (Digital Signal Processing) algorithms ensure that every component of the subwoofer works in perfect harmony. Features such as iBX Intelligent Bass Extension provides even deeper and precise bass at any listening level.


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.



Versatile immersion
The most compact model in the Kube range, perfectly suited for smaller rooms and elevates your movies, music, TV and gaming experience.


Effortless wireless integration
The KW1 enables optimal placement of the Kube without being limited by cables. High-quality wireless transmission ensures the delivery of every nuance and impact from your favourite movies and music.


Well connected

Kube offers versatile connection options, including KEF SmartConnect and speaker level inputs, making connecting into any system a breeze.




3 room position EQ options

The intuitive preset options ensure excellent performance from Kube no matter where in the room it is placed.




Multiple power modes

'Auto wake up' detects audio signals for instant readiness, 'Always on' mode keeps it ready to play instantly, and '12V trigger' provides automatic wake-up.


The right subwoofer for you


DRIVER UNIT
15" Front Firing

FREQUENCY RESPONSE
20Hz (±3dB)

MAX SPL
116dB

DIMENSION
519 x 500 x 515 mm

OPTIMAL ROOM SIZE *
15 – 70m²

*The size of your room is just one of the parameters to consider when choosing a subwoofer, as factors such as applications and room behaviour could also affect overall performance.


DRIVER UNIT
12" Front Firing

FREQUENCY RESPONSE
22Hz (±3dB)

MAX SPL
114dB

DIMENSION
410 x 393 x 410 mm

OPTIMAL ROOM SIZE *
10 – 55m²


DRIVER UNIT
10" Front Firing

FREQUENCY RESPONSE
24Hz (±3dB)

MAX SPL
111dB

DIMENSION
370 x 353 x 370 mm

OPTIMAL ROOM SIZE *
5 – 35m²


DRIVER UNIT
8" Front Firing

FREQUENCY RESPONSE
34Hz (-6dB)

MAX SPL
105dB

DIMENSION
293 x 293 x 310 mm

OPTIMAL ROOM SIZE *
5 – 25m²




There are subwoofers… and there are KEF subwoofers.


Take home the immersive power of deep detailed bass with unrivalled acoustic accuracy that drops you right into the heart of the action. Over 60 years of innovation in crafting award-winning speakers has made us an authority in sound, and our subwoofer range brings home the visceral experience of modern immersive sound like no other for movies, gaming, music, and streaming.

Discover KEF subwoofers

What's in the box

  • Kube 12 MIE subwoofer
  • Power cord
  • Euroblock speaker level connector
  • User manual and warranty information

SPECIFICATIONS


Design
Powered Subwoofer (Sealed)

Drive units
1 x 300mm (12in.)

Frequency response
22Hz - 140Hz (±3dB)

Max output
114dB



Amplifier type
Class-D

Amplifier power
300W RMS

Variable low pass filter
40Hz – 140Hz, LFE

Input
RCA phono sockets
Speaker level inputs
Expansion port for KW1




Power requirements
100 - 240V, 50/60 Hz

Power consumption
300VA

Dimension (H x W x D) with rear panel and feet
410 x 393 x 410 mm
(16.1 x 15.5 x 16.1 in)

Weight 
18.6kg 

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