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Description
KEF KUBE 8 MIE 8" ACTIVE SUBWOOFER8 inch front firing active subwoofer The compact Kube 8 MIE may not take up much space, but the bass it delivers is far from small. With an 8 inch driver, it is ideally suited for smaller rooms. By sharing the same 300 Watts Class D amplifier from it's larger siblings, Kube 8 MIE exhibits unprecedented levels of control. With Music Integrity Engine, the Kube 8 MIE is optimised to dynamically extend the bass depth. The mastermind KEFs Music Integrity
8-inch front-firing active subwoofer
The compact Kube 8 MIE may not take up much space, but the bass it delivers is far from small. With an 8-inch driver, it is ideally suited for smaller rooms. By sharing the same 300 Watts Class D amplifier from it's larger siblings, Kube 8 MIE exhibits unprecedented levels of control. With Music Integrity Engine®, the Kube 8 MIE is optimised to dynamically extend the bass depth.
The mastermind
KEF’s Music Integrity Engine® (MIE), a proprietary suite of in-house coded DSP (Digital Signal Processing) algorithms, is the mastermind behind our wireless HiFi speakers and subwoofers. Each unique MIE is precisely tuned to allow all components within the individual wireless HiFi speaker or subwoofer to work in perfect harmony, elevating the overall performance for remarkable integrity, detail, and accuracy of sound.
Feel the force
The Kube features a front-firing long throw driver with a large cone area and high excursion, delivering higher output at lower frequencies. Its efficient and cool-running 300W Class D RMS amplifier further enhances performance.
Versatile immersion
The most compact model in the Kube range, perfectly suited for smaller rooms and elevates your movies, music, TV and gaming experience.
Effortless wireless integration
The KW1 enables optimal placement of the Kube without being limited by cables. High-quality wireless transmission ensures the delivery of every nuance and impact from your favourite movies and music.
Well connected
Kube offers versatile connection options, including KEF SmartConnect and speaker level inputs, making connecting into any system a breeze.
3 room position EQ options
The intuitive preset options ensure excellent performance from Kube no matter where in the room it is placed.
Multiple power modes
'Auto wake up' detects audio signals for instant readiness, 'Always on' mode keeps it ready to play instantly, and '12V trigger' provides automatic wake-up.
SPECIFICATIONS
Design
Powered Subwoofer (Sealed)
Drive units
1 x 200mm (8in.)
Frequency response
34Hz - 140Hz (-6dB)
Max output
105dB
Amplifier type
Class-D
Amplifier power
300W RMS
Variable low pass filter
40Hz – 140Hz, LFE
Input
RCA phono sockets
Speaker level inputs
Expansion port for KW1
Speaker level inputs
Expansion port for KW1
Power requirements
100 - 240V, 50/60 Hz
Power consumption
300VA
Dimension (H x W x D) with rear panel and feet
293 x 293 x 310 mm
(11.5 x 11.5 x 12.2 in)
(11.5 x 11.5 x 12.2 in)
Weight
9.4kg
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Excellent Air filter - Easy installation.
Style: BE-743 1-Pack
Excellent AC and Heater Cabinet odor defense air filter. I noticed immediately the smell coming out of the vents was fresher and the musty smell that was coming from the vents was crisper and cleaner. Very easy installation that you can do yourself and don’t need to pay a shop to do. The price is one of the best online and coms in quickly. It’s very sturdy, filter quality is excellent and it definitely improves the air quality and flow in your car. Fits perfectly like any OEM filter, this is a great buy for the price of an installation that will take you Les then 10 minutes to do yourself.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Great filter and easy installation
Style: BE-159 1-Pack, Style: BE-159 1-Pack
For my 2016 Hyundai Sonata Hybrid Limited. I cannot believe I paid so much more for a brand-name filter that does the same thing as this one. It is made of the same material as the dealer one I took out. Very easy to install, cant believe I paid for this to be done in the past with oil changes. Requires no tools and did not get dirty at all. No mechanical skills needed, especially if you run into trouble and can use YouTube.
PROS
- great quality, cannot tell that it is after-market
- very professionally made, not irregularities seen
- excellent fit in position, no adjustment needed
- very easy to install, cannot believe I paid to have this done in the past
- no mechanical skills needed to install
- great price compared to what big name productions want for the same thing
- cannot tell the difference in air quality between this and the dealer filter I took out
- removes outside odor completely
- did not require tools are getting dirty
CONS
- None
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Fits perfect and works as designed. Flows like OEM and looks well made.
Style: BE-553B 1-Pack
This filter is very comparable to the stock filter. Fits the BMW G20 just like OEM. I would not say it is two times "heavier" as advertised on the box, but it is very comparable to stock. It's the same weight and similar construction. BMW has a very robust cabin filter. This will be my go to. I did purchase another aftermarket cabin filter that fit well, but was thin, flimsy and had a bad chemical odor. This one is fine and airflow is the same as OEM. I change them every year or so. I don't worry too much about longevity with cabin filters personally.
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Reviewed in the United States on May 15, 2026
★★★★★ 4
Good quality but it was slightly longer than original and needed modification.
Style: BE-182 1-Pack
Bought this cabin filter for a 2023 Acura TLX. While the filter seems to be made of quality material, it was just a little too long (about a 1/16 of an inch, so I had to trim it to make it fit so the cover would fit snug. I was able to do that without compromising the filter itself. But this might be an issue for some people
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Fits my Chevy 2021 Bolt Premier perfectly.
Style: BE-966 1-Pack
Installation was a breeze, fir nicely and the air in teh car now smells fresh and clean. The old filter has developed a musty smell so this new one is great. Had it replaced in under 3 minutes.
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Reviewed in the United States on May 18, 2026