KEF Kube8 MIE 8 Inch Powered Sealed Active Subwoofer 300W RMS
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KEF Kube8 MIE 8 Inch Powered Sealed Active Subwoofer 300W RMS

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Key item features

  • ‌Sold individually – one powered subwoofer per box
  • 8" front-firing long throw driver with high excursion cone
  • 300W Class D RMS amplifier delivers controlled deep bass
  • Sealed cabinet design for clean sound and flexible placement
  • KEF DSP Algorithms ensure precision and acoustic accuracy
  • iBX Intelligent Bass Extension enhances low-frequency depth
  • KW1 wireless kit compatible (sold separately)
  • Multiple connectivity options: SmartConnect + speaker level inputs
  • 3 EQ presets for placement flexibility (free space, wall, corner)
  • Compact gloss black finish complements modern interiors

Specs

Audio feature, Surround SoundHome speaker & subwoofer type, SubwoofersBrand, KEFRms power rating, 300 WColor, BlackAssembled product weight, 21 lb

About this item

Product details

The KEF Kube8 MIE Powered Subwoofer (sold individually) brings deep, precise bass to smaller rooms and setups without overwhelming your space. Equipped with an 8" front-firing long throw driver and a 300W Class D RMS amplifier, it delivers detailed low frequencies perfect for movies, music, and gaming. Engineered with KEF’s proprietary DSP algorithms and iBX Intelligent Bass Extension, the Kube8 MIE automatically adapts to ensure full, controlled bass at any volume. Its sealed cabinet design provides distortion-free performance and allows easy placement anywhere in the room. For maximum flexibility, the Kube8 MIE includes SmartConnect RCA inputs, speaker-level inputs, and is compatible with the optional KW1 wireless kit for cable-free setup. With three EQ presets to match placement (free, wall, corner), the Kube8 MIE adapts to any installation. Compact yet powerful, the gloss black finish ensures it looks as good as it sounds, blending seamlessly with modern living spaces. Important: Price is for one powered subwoofer.
  • ‌Sold individually – one powered subwoofer per box
  • 8" front-firing long throw driver with high excursion cone
  • 300W Class D RMS amplifier delivers controlled deep bass
  • Sealed cabinet design for clean sound and flexible placement
  • KEF DSP Algorithms ensure precision and acoustic accuracy
  • iBX Intelligent Bass Extension enhances low-frequency depth
  • KW1 wireless kit compatible (sold separately)
  • Multiple connectivity options: SmartConnect + speaker level inputs
  • 3 EQ presets for placement flexibility (free space, wall, corner)
  • Compact gloss black finish complements modern interiors
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Specifications

Audio feature

Surround Sound

Home speaker & subwoofer type

Subwoofers

Brand

KEF

Rms power rating

300 W

Warranty

Warranty information

2-years limited manufacturer warranty. Terms may vary by brand.

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Current price is Now $499.99
You save $199.00
was $698.99
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