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Deal.ai › KEF › Surround Sound Speakers Systems
KEF
KEF Kube8 MIE 8 Inch Powered Sealed Active Subwoofer 300W RMS

KEF Kube8 MIE 8 Inch Powered Sealed Active Subwoofer 300W RMS

5(19 ratings)

Best price now

$499.99at WalmartChecked 36 min ago

Compared across 7 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $499.99 at Walmart (checked Nov 12, 2026).
  • Checked at 7 stores.

KEF Kube8 MIE 8 Inch Powered Sealed Active Subwoofer 300W RMS prices at every store

  • WalmartNew

    In stockSold by Audio AdviceReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $499.99Free shippingChecked 36 min ago
    Visit Walmart
  • CrutchfieldNew

    In stock

    $499.99Free shippingChecked 36 min ago
    Visit Crutchfield
  • KEFNew

    In stock

    $499.99Free shippingChecked 36 min ago
    Visit KEF
  • Best BuyNew

    In stock

    $499.99Free shippingChecked 36 min ago
    Visit Best Buy
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $499.99Free shippingChecked 36 min ago
    Visit Amazon
  • Abt ElectronicsNew

    Out of stock

    $499.99Free shippingChecked 36 min ago
    Visit Abt Electronics
  • SoundApproach.comNew

    Out of stock

    $700.00Free shippingChecked 36 min ago
    Visit SoundApproach.com

Store links may earn us a commission. Some prices via Klarna.

KEF Kube8 MIE 8 Inch Powered Sealed Active Subwoofer 300W RMS price history

Lowest price we've seen: $499.99 on Nov 12 at Crutchfield. Tracked across 6 stores since Nov 12.

What reviewers say

  • 5 / 519 ratings

About the KEF Kube8 MIE 8 Inch Powered Sealed Active Subwoofer 300W RMS

The KEF Kube8 MIE Powered Subwoofer (sold individually) brings deep, precise bass to smaller rooms and setups without overwhelming your space. Equipped with an 8" front-firing long throw driver and a 300W Class D RMS amplifier, it delivers detailed low frequencies perfect for movies, music, and gaming. Engineered with KEF’s proprietary DSP algorithms and iBX Intelligent Bass Extension, the Kube8 MIE automatically adapts to ensure full, controlled bass at any volume. Its sealed cabinet design provides distortion-free performance and allows easy placement anywhere in the room. For maximum flexibility, the Kube8 MIE includes SmartConnect RCA inputs, speaker-level inputs, and is compatible with the optional KW1 wireless kit for cable-free setup. With three EQ presets to match placement (free, wall, corner), the Kube8 MIE adapts to any installation. Compact yet powerful, the gloss black finish ensures it looks as good as it sounds, blending seamlessly with modern living spaces. Important: Price is for one powered subwoofer.

Specifications

color
BlackSource
size
8"Source
AirPlay
NoSource
Spotify Connect
NoSource
Bluetooth
NoSource
Subwoofer Elements Size
8.0Source
AirPlay 2
NoSource
App Control
NoSource
Frequency Response (max) (Hz)
140.0Source
Speaker Output (max peak) (W)
300.0Source

Questions and answers

Where is the KEF Kube8 MIE 8 Inch Powered Sealed Active Subwoofer 300W RMS cheapest?
At Walmart, for $499.99, as of our latest check.
What do buyers say about the KEF Kube8 MIE 8 Inch Powered Sealed Active Subwoofer 300W RMS?
Rated 5 out of 5 from 19 ratings.
Where can I buy the KEF Kube8 MIE 8 Inch Powered Sealed Active Subwoofer 300W RMS?
7 stores we checked sell it, including Walmart, Abt Electronics, Amazon, Crutchfield, KEF.

Stores we've priced the KEF Kube8 MIE 8 Inch Powered Sealed Active Subwoofer 300W RMS at

  • Best Buy deals and prices
  • Crutchfield deals and prices

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