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KEF 10" MIE 300W Subwoofer - Black

1x 250mm Driver - 24 140Hz - 111dB - RCA Phono Sockets - Speaker Level Inputs

PB Tech price
PB Tech price
NZD $ 1,186 .09
$ 1,186 .09
$1,186.09  +GST
$1,186.09

KEF 10" MIE 300W Subwoofer - Black

1x 250mm Driver - 24 140Hz - 111dB - RCA Phono Sockets - Speaker Level Inputs

  • Brand: KEF
  • MPN: KUBE10BMIE
  • Part #: SPKKEF1276
  • UPC:
PB Tech price
NZD $ 1,186 .09 $ 1,186 .09


Delivery: Order now and it ships on 12 Sep
Estimated Delivery Times
7 - 10 working days for international destinations

View all shipping info
$1,186.09  +GST
$1,186.09
  • Brand: KEF
  • MPN: KUBE10BMIE
  • Part #: SPKKEF1276
  • UPC:

Colour

Black

Sound Mode

N/A

Power Output (RMS)

300 Watts

Wireless Technology

N/A

3.5mm Connector

None

Optical Connector

None

RCA Connector

Yes

TRS Connector

None

Features

KEF 10 Inch MIE 300W Subwoofer

With Kube the undeniable power of bass to transform the sonic experience emerges. Whether the immersive realms of music or the cinematic embrace of home theatre, this range of powerful subwoofers allows you to explore new depths of sound, transporting you to the heart of every performance. Enhanced by the Music Integrity Engine®(MIE) - KEF's suite of proprietary DSP algorithms, Kube delivers optimised performance that transcends the ordinary, producing unprecedented dynamic depths. Multiple connectivity options and room EQ settings make installation and setup a breeze.

- Music Integrity Engine® (MIE) - KEF's in-house DSP - optimises the performance of each model
- Three room placement settings: Freestanding, Wall/in-cabinet and Corner
- 300W RMS Class D amplification
- KEF SmartConnect intelligent inputs automatically detect mono or stereo and adjust the subwoofer volume level accordingly
- Versatile controls for easy integration with any loudspeaker and any home environment
- Sealed for greater accuracy while allowing the Kube to be installed in a cabinet

Music Integrity Engine® (MIE) - KEF's proprietary DSP algorithm

KEF's Music Integrity Engine is a proprietary suite of in-house written DSP (Digital Signal Processing) algorithms, serving as the mastermind behind the detailed and accurate sound that characterises its wireless speakers and subwoofers. Tailored for each model, this ensures that every component works in perfect harmony to an even higher level than would otherwise be possible.

iBX Intelligent Bass Extension

Part of the Music Integrity Engine, iBX Intelligent Bass Extension creates an extended depth that unlocks the full potential of the custom driver. By analysing your input signal and making multitudes of tiny adjustments every second, iBX allows the subwoofer to play louder and remain dynamic at any listening level. In step with the advancements developed by MIE, the new version of iBX lowers distortion still further. The result is simply remarkable accuracy.

 

Feel the force

Kube boasts a front-firing long throw driver, producing higher output at lower frequencies. This approach creates a sensation of direct force into the room, creating a tactile, pressured, and powerful bass experience. With high SPL and low-frequency extension, Kube faithfully reproduces the lowest octaves in both movies and music, ensuring an immersive, impactful sonic environment.

300W Class D RMS amplifier

Optimally designed for the driver and the available acoustic volume, the Class D RMS amplifier in the Kube runs efficiently and cool, providing ample power for the subwoofer. It reproduces deep bass and rumble with precision and dynamic, adding intensity and realism to your audio experience.

 

Versatile connectivity

With a comprehensive range of connection options, Kube adapts easily to a wide variety of audio systems. Featuring line level/speaker level inputs, it can be connected to any amplifier. KEF SmartConnect automatically determines whether a mono or stereo input is being used, optimising the gain for optimum performance. Additionally, Kube is compatible with the KW1 wireless subwoofer adapter for simple wireless integration.

 

3 pre-sets for easy integration

Thanks to the Music Integrity Engine, Kube features a placement-dependent EQ section that can be easily adjusted to maximise in-room performance. With three room placement setting options, Kube easily fits into any environment, ensuring consistent performance wherever it is placed, whether snugly fitted in a cabinet, against a wall or in a corner.

Power tailored to you

Kube benefits from a flexible choice of power-on modes tailored to your system's requirements - music sense for standby wake-up upon audio signal detection, 'always on' for instant readiness, and a 12V trigger for a single button switch on in an integrated home system.

Seamless elegance and thoughtful design

As well as working with the room acoustically, Kube's sealed cabinet is designed for easy positioning. Coupled with the minimal, contemporary design, Kube subwoofers blend seamlessly with any interior.

Specifications

Design

Powered Subwoofer (Sealed)

Drive units

1 x 250mm (10in.)

Frequency response

24Hz - 140Hz (±3dB)

Max output

111dB

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

Power requirements

100-240 V ~ 50/60 Hz

Power consumption

300VA

Dimension (H x W x D) with Rear panels and Feet

370 x 353 x 370 mm
14.6 x 13.9 x 14.6 in.

Weight

15.4 kg

Manufacturer Part No:
KUBE10BMIE
Brand:
KEF
Product Type:
Subwoofer
UPC
-
Product Family:
-
Shipping Weight:
5 kg
PB Part No:
SPKKEF1276
Product Model:
-
Warranty: 12 months *
* Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
All warranties are return to base unless otherwise specified.

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Delivery & Pick-up

Shipping Costs

Shipping costs vary based on your location and the items being shipped and in some cases shipping may even be FREE.

To calculate what the shipping costs will be for your order, add the items you are interested in to your cart, view the Shopping Cart page, and select your 'Delivery Area' to calculate the shipping cost.

Shipping Security & Insurance

All orders shipped by PB Tech are sent via a courier with a signature required for each delivery. In some cases, and only where you have given the courier company permission to leave orders at a designated location, your order may be delivered without requiring a signature. All orders sent by PB Tech are fully insured in the unlikely event that your item(s) are damaged or go missing in transit.

Delivery Estimates

The delivery time-frame (in days) for each product we sell is detailed on the individual product page just to the right of the main product image. From when you place your order, in-stock products typically arrive within 7-10 working days for all countries that we ship to.

Overseas Shipments

If you are located in New Zealand, you can order directly from our New Zealand site www.pbtech.co.nz. If you are located in Australia you can order directly from our Australian website www.pbtech.com/au

Returns & Warranty

7 day right of exchange

If you change your mind after making a purchase, or realise you have ordered the incorrect item, you can enjoy the peace of mind that we offer a 7 day exchange policy.

To exchange a product, goods must be sealed / unopened, with packaging in original condition, and accompanied by a valid receipt dated no more than 7 calendar days from when you request an exchange.

If there is not a suitable product that can be exchanged for your returned item you will be offered a credit on your account or gift card based on the value paid at the time of purchase.

Please note, items purchased on finance cannot be exchanged for a gift card.

 

Hassle free warranty service

If your product develops a fault within the manufacturer warranty period, you need to fill out our request a return form.

If your product develops a fault outside of the manufacturer warranty or PB Tech warranty period, we offer a full repair service and are an authorised repair agent for leading brands such as Samsung, HP, Toshiba, Lenovo and more.

 

Returning a product / making a warranty claim

To return a product to PB Tech, please complete our request a return form.

Or view our returns policy for more information.

KEF 10" MIE 300W Subwoofer - Black 1x 250mm Driver - 24 140Hz - 111dB - RCA Phono Sockets - Speaker Level Inputs

  • Brand: KEF
  • MPN: KUBE10BMIE
  • Part #: SPKKEF1276
PB Tech price NZD $1,186.09

Date Created: 01:45, 07-09-2025
Product URL: https://www.pbtech.com/pacific/product/SPKKEF1276/KEF-10-MIE-300W-Subwoofer---Black-1x-250mm-Driver

Features

KEF 10 Inch MIE 300W Subwoofer

With Kube the undeniable power of bass to transform the sonic experience emerges. Whether the immersive realms of music or the cinematic embrace of home theatre, this range of powerful subwoofers allows you to explore new depths of sound, transporting you to the heart of every performance. Enhanced by the Music Integrity Engine®(MIE) - KEF's suite of proprietary DSP algorithms, Kube delivers optimised performance that transcends the ordinary, producing unprecedented dynamic depths. Multiple connectivity options and room EQ settings make installation and setup a breeze.

- Music Integrity Engine® (MIE) - KEF's in-house DSP - optimises the performance of each model
- Three room placement settings: Freestanding, Wall/in-cabinet and Corner
- 300W RMS Class D amplification
- KEF SmartConnect intelligent inputs automatically detect mono or stereo and adjust the subwoofer volume level accordingly
- Versatile controls for easy integration with any loudspeaker and any home environment
- Sealed for greater accuracy while allowing the Kube to be installed in a cabinet

Music Integrity Engine® (MIE) - KEF's proprietary DSP algorithm

KEF's Music Integrity Engine is a proprietary suite of in-house written DSP (Digital Signal Processing) algorithms, serving as the mastermind behind the detailed and accurate sound that characterises its wireless speakers and subwoofers. Tailored for each model, this ensures that every component works in perfect harmony to an even higher level than would otherwise be possible.

iBX Intelligent Bass Extension

Part of the Music Integrity Engine, iBX Intelligent Bass Extension creates an extended depth that unlocks the full potential of the custom driver. By analysing your input signal and making multitudes of tiny adjustments every second, iBX allows the subwoofer to play louder and remain dynamic at any listening level. In step with the advancements developed by MIE, the new version of iBX lowers distortion still further. The result is simply remarkable accuracy.

 

Feel the force

Kube boasts a front-firing long throw driver, producing higher output at lower frequencies. This approach creates a sensation of direct force into the room, creating a tactile, pressured, and powerful bass experience. With high SPL and low-frequency extension, Kube faithfully reproduces the lowest octaves in both movies and music, ensuring an immersive, impactful sonic environment.

300W Class D RMS amplifier

Optimally designed for the driver and the available acoustic volume, the Class D RMS amplifier in the Kube runs efficiently and cool, providing ample power for the subwoofer. It reproduces deep bass and rumble with precision and dynamic, adding intensity and realism to your audio experience.

 

Versatile connectivity

With a comprehensive range of connection options, Kube adapts easily to a wide variety of audio systems. Featuring line level/speaker level inputs, it can be connected to any amplifier. KEF SmartConnect automatically determines whether a mono or stereo input is being used, optimising the gain for optimum performance. Additionally, Kube is compatible with the KW1 wireless subwoofer adapter for simple wireless integration.

 

3 pre-sets for easy integration

Thanks to the Music Integrity Engine, Kube features a placement-dependent EQ section that can be easily adjusted to maximise in-room performance. With three room placement setting options, Kube easily fits into any environment, ensuring consistent performance wherever it is placed, whether snugly fitted in a cabinet, against a wall or in a corner.

Power tailored to you

Kube benefits from a flexible choice of power-on modes tailored to your system's requirements - music sense for standby wake-up upon audio signal detection, 'always on' for instant readiness, and a 12V trigger for a single button switch on in an integrated home system.

Seamless elegance and thoughtful design

As well as working with the room acoustically, Kube's sealed cabinet is designed for easy positioning. Coupled with the minimal, contemporary design, Kube subwoofers blend seamlessly with any interior.

Specifications

Design

Powered Subwoofer (Sealed)

Drive units

1 x 250mm (10in.)

Frequency response

24Hz - 140Hz (±3dB)

Max output

111dB

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

Power requirements

100-240 V ~ 50/60 Hz

Power consumption

300VA

Dimension (H x W x D) with Rear panels and Feet

370 x 353 x 370 mm
14.6 x 13.9 x 14.6 in.

Weight

15.4 kg

Date Created: 01:45, 07-09-2025
Product URL: https://www.pbtech.com/pacific/product/SPKKEF1276/KEF-10-MIE-300W-Subwoofer---Black-1x-250mm-Driver