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KEF Kube 15 MIE Subwoofer Review

Main Features

  • 15" Polypropylene Woofer
  • 300 watts RMS Output
  • 20-140 Hz Frequency Response
  • Built-in DSP with Room Correction
  • Weight: 60.60 lbs / 27.50kg
  • Dimensions (H x W x D): 20.4" x 19.7" x 20.3"
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KEF Kube 15 MIE Subwoofer Review
KEF Kube 15 MIE KEF Kube 15 MIE
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Kube 15 MIE is a Sealed type Powered Subwoofer by KEF with a frequency range of 20-140 Hz. It features 1 x 15" Polypropylene Woofer, and powered by a Class D 300 watts amplifier.

KEF Kube 15 MIE  Lifestyle
KEF Kube 15 MIE Lifestyle

Kube 15 MIE is a member of KEF's KUBE MIE series of Powered subwoofers. Below you can see the main specs of these subwoofers as well as review and comparison links.

KEF KUBE MIE Series Subwoofers
Model Frequency Woofer Amp Power Weight
KEF Kube 8 MIE
Compare
34-140k Hz 8" 300 watts 9.40kg
KEF Kube 12 MIE
Compare
22-140k Hz 12" 300 watts 18.60kg
KEF Kube 15 MIE
20-140k Hz 15" 300 watts 27.50kg
KEF Kube 10 MIE
Compare
20-140k Hz 10" 300 watts 15.40kg


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Frequency Response

KEF Kube 15 MIE has a Frequency response range of 20-140 Hz at ±3dB. Thanks to its 1 x 15-inch driver and 300 watts RMS amplifier, the Kube 15 MIE can go as low as 20 Hz which means you can get a Full range (20Hz-20kHz) listening experience when coupled with almost any loudspeaker in the market. Here we have a comparison of how Kube 15 MIE's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.

Low Frequency
Powered Subwoofers
KEF Kube 15 MIE
Min
Average
Max
High Frequency
Subwoofer Speakers
KEF Kube 15 MIE
Min
Average
Max

Among all subwoofers in our database with a max MSRP price of 1500$, these are the 5 Powered Subwoofer models that can reach deeper bass levels than the KEF Kube 15 MIE's 20Hz:

  • GoldenEar SuperSub X with Low Frequency of 12 Hz (Compare w/ Kube 15 MIE)
  • GoldenEar ForceField 40 with Low Frequency of 14 Hz (Compare w/ Kube 15 MIE)
  • GoldenEar ForceField 4 with Low Frequency of 14 Hz (Compare w/ Kube 15 MIE)
  • SVS PB-2000 Pro with Low Frequency of 16 Hz (Compare w/ Kube 15 MIE)
  • SVS PC-2000 Pro with Low Frequency of 16 Hz (Compare w/ Kube 15 MIE)

KEF Kube 15 MIE Back View
KEF Kube 15 MIE Back View

Inputs and Outputs

  • PreampLevel Inputs: Stereo RCA/LFE
  • SpeakerLevel Inputs: Yes
  • SpeakerLevel Outputs: No
  • Wireless: No

Wireless Connection

KEF Kube 15 MIE lets you make a wireless connection to your system with an optional KW1 Wireless Subwoofer Adapter Kit adapter. Wireless connection helps to minimize the cables running on your floor.

KEF Kube 15 MIE External Dimensions and Weight

KEF Kube 15 MIE has external dimensions of (Height x Width x Depth) 20.4 x 19.7 x 20.3 in (519 x 500 x 515 mm ).

Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base area of KEF Kube 15 MIE is approximately 2575.0cm2 / 399.1inch2.

Weight

The KEF Kube 15 MIE weighs 27.50kg / 60.5lbs. Weight of a subwoofer is an important factor when you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. Here is a comparison of how Kube 15 MIE's weight compares with the average, max and min weights in its class.

Weight
All Subwoofer Speakers
KEF Kube 15 MIE
Min
Average
Max
Weight
Subwoofer Speakers under $1500
KEF Kube 15 MIE
Min
Average
Max

Cabinet type and Materials

KEF Kube 15 MIE has a Acoustic Suspension type cabinet. Acoustic suspension aka Sealed subwoofers are preferred for music oriented systems whereas the Ported subwoofers are generally accepted to be more suitable for home theatre systems.

What's in the Box of KEF Kube 15 MIE?

Here are the items that are included inside the box of Kube 15 MIE:
  • Kube 15 MIE subwoofer
  • Power cord
  • Euroblock speaker level connector
  • User manual and warranty information
  • Recommended Accessories

    Here is a list of accessories that we think you may need for the KEF Kube 15 MIE.

    • Vibration Isolators: IsoAcoustics isolators more affordable options too.
    • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

    User's Manual

    For more information about how to setup, use and maintain the KEF Kube 15 MIE, use the direct link below to download the official manual document:
    Download User Manual for KEF Kube 15 MIE

    Official Brochure

    Here is a link to download the official brochure for the KEF Kube 15 MIE speaker:
    Official Brochure for KEF Kube 15 MIE

    Official Product Page

    Official manufacturer's product page for the KEF Kube 15 MIE speaker can be found below:
    Official Product Page for KEF Kube 15 MIE

    Warranty

    2 Years of parts warranty and 2 Years of labor warranty is generally provided by the manufacturer.

    KEF Kube 15 MIE Alternatives in Powered Subwoofer Speakers
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    Compare
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    Compare
    27-125k Hz 10" 200 watts 16-7/16 x 14-1/16 x 18-13/16inch"
    KEF KUBE 10b
    Compare
    24-140k Hz 10" 300 watts 14-5/8 x 14 x 15-5/8inch"
    JBL Stage A120P
    Compare
    32-150k Hz 12" 250 watts 16-5/16 x 15-7/16 x 18-11/16inch"
    KEF KC62
    Compare
    11-200k Hz 6.5" 1000 watts 9-5/8inch x 10-1/8inch x 11-1/16inch "
    SVS PB-1000
    Compare
    19-270k Hz 10" 300 watts 18-7/8 x 15 x 20-15/16inch"
    Klipsch RP-1400SW
    Compare
    16-141k Hz 14" 500 watts 21-5/16inch x 20inch x 25-11/16inch "
    B&W ASW610
    Compare
    27-140k Hz 10" 200 watts 12-5/8 x 12-1/4 x 15-1/2inch"
    Klipsch R-100SW
    Compare
    32-120k Hz 10" 150 watts 14-5/8 x 12-9/16 x 18-1/16inch"
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    What is the External Dimensions of KEF Kube 15 MIE
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