Description
The KEF Kube 10 MIE is a sealed-enclosure subwoofer, designed to reinforce the bass of a hi-fi or home cinema system. It features a 25 cm driver paired with 300 W RMS amplification, capable of reproducing frequencies down to 24 Hz.
The sealed enclosure design adopted by this subwoofer favours accurate reproduction of harmonics and control of driver movement, even at high volume. The driver's suspension offers substantial excursion, allowing high acoustic pressure to be generated in the room, with a maximum SPL of 111 dB. The frequency response extends from 24 Hz to 140 Hz.
The Kube 10 MIE offers several settings intended to ease its integration into a listening room: three EQ profiles, an electrical phase adjustment selectable between 0° and 180°, as well as a crossover frequency adjustment ranging from 40 Hz to 140 Hz. Power-on can be automatic or manual.
This subwoofer is suited both to music enthusiasts seeking deep, controlled bass and to home cinema systems requiring powerful reproduction of low-frequency effects. Its versatile settings make it a model adaptable to rooms of varying configurations.
Technical specifications
| Power | 300 W RMS |
| Frequency response | 24 Hz to 140 Hz |
| Max SPL | 111 dB |
| Dimensions (W x H x D) | 353 x 370 x 370 mm |
| Weight | 15.4 kg |
What to check before buying used
On this type of sealed-enclosure subwoofer, the suspension of the 25 cm driver deserves careful checking: foam that has hardened or split with age degrades deep bass and can generate unwanted noise at high volume. Also check that the built-in amplification and its controls (phase, crossover, EQ profiles) work properly, as the potentiometers or buttons can become imprecise with use. An inspection of the cabinet is also advisable, particularly the corners and the rear panel around the connections, which are often subject to stress during transport.
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