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KEF Kube 12b Subwoofer Speaker
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Description
KEF Kube 12b
The KEF Kube 12b is a powerful, sealed 12″ powered subwoofer designed to provide tight, precise bass extension in compact enclosures. Driven by a 300 W RMS Class-D amplifier with KEF’s Intelligent Bass Extension (iBX) DSP, it delivers deep, impactful low frequencies down to 22 Hz with minimal distortion. The unit includes tailored placement presets for free-standing, cabinet, or corner setups, plus adjustable crossover (40–140 Hz) and phase control, ensuring seamless integration with your audio system. With a sleek black finish and compact footprint, the Kube 12b is ideal for music systems, home cinemas, or gaming setups where space is at a premium but audio quality matters.
Brand: KEF
SKU: N/A
Specifications
Feature | Details |
|---|---|
Model | KEF Kube 12b |
Product Type | Powered Subwoofer Speaker |
Driver Unit | 12-inch front-firing active driver |
Amplifier Type | Built-in Class D |
Amplifier Power | 300W RMS |
Frequency Response | 22 Hz – 140 Hz (-6dB) |
Crossover Frequency | Adjustable (40 Hz – 140 Hz) |
Inputs | RCA line level, Speaker level inputs, LFE input |
Design Features | iBX (Intelligent Bass Extension) technology for optimized low-frequency performance |
Enclosure Type | Sealed cabinet design |
Dimensions (H × W × D) | 410 × 393 × 410 mm |
Weight | 20.6 kg |
Finish Options | Black cloth with matte black top |
Warranty | 1-year manufacturer warranty |
In the Box
KEF Kube 12b Subwoofer
Power Cable
User Manual
Warranty Information
Specifications
Feature | Details |
|---|---|
Model | KEF Kube 12b |
Product Type | Powered Subwoofer Speaker |
Driver Unit | 12-inch front-firing active driver |
Amplifier Type | Built-in Class D |
Amplifier Power | 300W RMS |
Frequency Response | 22 Hz – 140 Hz (-6dB) |
Crossover Frequency | Adjustable (40 Hz – 140 Hz) |
Inputs | RCA line level, Speaker level inputs, LFE input |
Design Features | iBX (Intelligent Bass Extension) technology for optimized low-frequency performance |
Enclosure Type | Sealed cabinet design |
Dimensions (H × W × D) | 410 × 393 × 410 mm |
Weight | 20.6 kg |
Finish Options | Black cloth with matte black top |
Warranty | 1-year manufacturer warranty |
In the Box
KEF Kube 12b Subwoofer
Power Cable
User Manual
Warranty Information
