KEF Kube 12 MIE 12 Inch 300 Watt Powered Subwoofer NEW $1199 View full photo 8 photos
KEF Kube 12 MIE 12 Inch 300 Watt Powered Subwoofer NEW $1199 - Photo 1
KEF Kube 12 MIE 12 Inch 300 Watt Powered Subwoofer NEW $1199 - Photo 2
KEF Kube 12 MIE 12 Inch 300 Watt Powered Subwoofer NEW $1199 - Photo 3
KEF Kube 12 MIE 12 Inch 300 Watt Powered Subwoofer NEW $1199 - Photo 4
KEF Kube 12 MIE 12 Inch 300 Watt Powered Subwoofer NEW $1199 - Photo 5
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KEF Kube 12 MIE 12 Inch 300 Watt Powered Subwoofer NEW $1199 - Photo 7
KEF Kube 12 MIE 12 Inch 300 Watt Powered Subwoofer NEW $1199 - Photo 8
$1,199

KEF Kube 12 MIE 12 Inch 300 Watt Powered Subwoofer NEW $1199

Mississauga / Peel Region,
Posted Feb 20, 2026
Description
KEF Kube 12 MIE 12 Inch 300 Watt Powered Subwoofer *BRAND NEW* $1199

Our price: $1199 tax (Please mention this ad in store to get advertised price!)
Retail price: $1500 !!!

* This is a brand new subwoofer in sealed box!

SKU: GRN068778

Features and specs:

* Powerful 12 Inch woofer with 300 Watt Class D Amplifier.
* KEF‘s proprietary DSP (Digital Signal Processing) algorithms ensure that every component of the subwoofer works in perfect harmony. Features such as iBX Intelligent Bass Extension provides even deeper and precise bass at any listening level.
* 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.
* 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

Versatile for effortless immersion
Kube subwoofers allow you to explore new depths of sound. Enhanced by Music Integrity Engine, Kube delivers optimised performance with exceptional depth and dynamics. With 4 sizes in the range with flexible connectivity, Kube is designed to effortlessly adapt to any setup and anywhere you place them.

12-inch front-firing active subwoofer
Kube 12 MIE is engineered to provide the deepest bass for music and movies, giving you a ground-shaking immersion. Perfectly suited for large rooms, the 12-inch driver and 300W (RMS) Class D amplifier combine to deliver the most visceral bass performance. With Music Integrity Engine, the Kube 12 MIE is optimised to deliver exceptional depth and dynamics.

Music Integrity Engine (MIE), is a proprietary suite of custom DSP algorithms. The mastermind behind our subwoofers. Each unique MIE is precisely tuned to allow all components within the individual subwoofer to work in perfect harmony, elevating the overall performance and accuracy of sound.​

Well connected
Kube offers versatile connection options, including KEF SmartConnect and speaker level inputs, making connecting into any system a breeze. SmartConnect automatically adjusts the gain of non-LFE inputs for greater ease of use and more versatile connectivity options.

• Audio Output Mode: Stereo
• Mounting Type: Floor Standing
• Enclosure Material: Metal
• Speaker Type: Subwoofer
• Additional Features: Bass Boost, Hi Res Audio
• Antenna Location: For Computers, For DVD Players, For Gaming Consoles, For Surround Sound Systems, For Televisions
• Subwoofer Diameter: 300 Millimeters
• Controller Type: Remote Control, App Control
• Colour: Black
• Is Waterproof: False
• Control Method: Touch
• Speaker Size: 12 Inches
• Woofer Diameter: 12 Inches
• Tweeter Diameter: 1 Inches
• Water Resistance Level: Not Water Resistant
• MP3 player: No
• Specific Uses For Product: Home Entertainment Systems, Computer Speakers
• Number of Audio Channels: 5.1
• Item Dimensions D x W x H: 40.9D x 39.4W x 40.9H Centimetres
• Item Weight: 18.6 Kilograms
• Compatible Devices: Home Theater, Television
• Audio Driver Type: Dynamic Driver
• Audio Driver Size: 12 Inches
• Brand: KEF
• Model Number: SP4075B0CA
• Model Name: Kube12MIE
• Built-In Media: 1 Kube 12 MIE Subwoofer
• Age Range Description: Adult
• Number of Items: 1
• Customer Package Type: standard
• UPC: 637203050428
• Speaker Maximum Output Power: 300 Watts
• Number of Power Levels: 1
• Connectivity Technology: RCA
• Subwoofer Connectivity Technology: Wired
• Connectivity Protocol: KEF SmartConnect, RCA
• Power Source: Corded Electric


Come Check It Out in store!!!!
Store Name - Green Moolaa
263 Queen St East
Brampton L6W 4K6

Call - 905 796-7777 (call us for more information)
Text - 647 561-1890
Email - greenmoolaa@gmail.com
Web Store- shop.greenmoolaa.com
Website - greenmoolaa.ca

Hours of Operation 
Mon - Fri 10am to 8pm
Saturday 10am to 6pm
Sunday 11am to 5pm


We can ship this item within North America

*All in store sales are conducted on first come first served basis. Please call to confirm availability.

Please check our online listings for new products available:
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