The KEF Kube 15 MIE ranks #23 out of 167 total Medium Home Subwoofers (30-75 lbs) for sound quality. See all Subwoofers rankings for every top pick.
Brand: KEF
Prices on this page were last checked October 3, 2026 at 10:26 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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#23 KEF Kube 15 MIE: $1,499.99 Estimated KEF eBay
Smaller models: the KEF Kube 12 MIE (ranked lower, rated 3.9/5), the KEF Kube 10 MIE (rated 3.8/5) and the KEF Kube 8 MIE (rated 3.6/5).
Pros: Largest member of the Kube MIE series, housing a 15-inch front-firing driver in a sealed cabinet powered by 300W Class-D amplification. Delivers 20Hz to 140Hz (±3dB) extension and 116dB max SPL with Music Integrity Engine DSP processing and multiple room placement presets.
Cons: Weighs 27.5 kg with dimensions over 500mm on each side, making it a substantial presence in a room, and requires dedicated placement without easy concealment.
How it compares: Just above it: Rythmik F12 - $61 cheaper. Just below it: KEF Kube 12 MIE - $400 cheaper.
| Amplifier Power | 300W |
|---|---|
| Cabinet Color | black |
| Country | United Kingdom |
| Dimensions | 20.4”H x 19.7”W x 20.3”D (519 x 500 x 515 mm) |
| Drivers | 15” driver |
| Enclosure | sealed |
| Frequency Response | 20Hz - 140Hz (±3dB) (manufacturer specified) |
| Maximum SPL | 116 dB |
| Weight | 60.6 lbs (27.5 kg) |
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- No independent measurement review is linked for this model; it is ranked from hands-on listening and comparison against similarly priced speakers.