KEF Kube 12 MIE Subwoofer - Black
Deep, Powerful Bass with Absolute Precision
12-inch front-firing active subwoofer powered by a 300 W Class D amplifier, designed to deliver rich, impactful bass for music, movies, gaming, and home theatre systems. With Music Integrity Engine® (MIE), performance is optimised for exceptional depth and dynamics.
Music Integrity Engine – Intelligent Bass Control
KEF’s proprietary DSP algorithms ensure perfect harmony between all components. iBX Intelligent Bass Extension delivers deeper, more precise bass at any listening level.
Feel the Force
The long-throw 12-inch driver with large cone area and high excursion delivers higher output at lower frequencies, while the efficient 300 W Class D RMS amplifier ensures powerful, controlled performance.
Elegant Design and Flexible Placement
The sealed cabinet design allows for optimal placement, while the contemporary styling blends seamlessly into any living space.
Versatile Connectivity and Control
The Subwoofer features KEF SmartConnect, speaker-level inputs, and optional wireless connectivity via the KW1 adapter. Three room position EQ presets and multiple power modes ensure optimal performance in any setup.
Features
- 12-inch front-firing long-throw driver
- 300 W Class D amplifier
- Music Integrity Engine® with iBX technology
- Sealed cabinet design for precise bass
- 3 room position EQ presets
- KEF SmartConnect and speaker-level inputs
- Wireless connectivity option via KW1
What’s in the box?
- KEF Kube 12 MIE Subwoofer - Black
- Power cable
- User manual
Technical Information
- Driver Unit: 12-inch Front Firing
- Frequency Response: 22Hz (±3dB)
- MAX SPL: 114dB
- Amplifier: 300W Class D RMS
- Dimensions (H x W x D): 410 x 393 x 410 mm
- Optimal Room Size: 10 – 55 m²





