KEF / 💥 Subwoofer

KEF Kube 12 MIE Subwoofer

Name: KEF Kube 12 MIE Subwoofer
Brand: KEF
SKU: SP4075B0AA
Price: 899.00 EUR
Availability: InStock

€899,00 EUR

Sale Sold out

Taxes included.

🟢Insured Shipping from: €3,00

🚚Estimated insured delivery: 23 Feb 2026 – 25 Feb 2026 LV · LT · EE

🚚 Delivery in 1-4 days in the Baltics. 2-8 days EU
💰 14 days return
🔒 Secure payment: PayPal, 💳card, invoice

🛡️Shipping insurance
🟢 2 years warranty
🧱 Installation service

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Color Black

Quantity

In stock

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Shipping Terms

Shipping method: Standard
Shipment cost:
EU 25€
LT, EST 6€
LV 3€
RU, USA 200€
Other countries 200€
Dispatched usually 2 - 5 business days after order placement
Some times, dispatched up to 20 business days, we will inform additional, after order placement.

https://premiumhifi.lv/policies/shipping-policy

🟠 Taxes 🟠

Prices include VAT for EU countries. For non-EU countries, prices are shown without tax. Additional customs duties may apply. Please check with your local customs office for details.

🧾 Overview

The KEF Kube 12 MIE is a sealed, front-firing 12-inch active subwoofer built to add deep, controlled low-end to both music and home cinema. With 300W Class-D amplification and KEF’s Music Integrity Engine (MIE) DSP, it delivers powerful bass impact while staying tight, clean, and well integrated with your main speakers.

✅ Key Features

✅ 12-inch (300 mm) front-firing long-throw driver for room-filling bass

✅ 300W RMS Class-D amplifier for high output with low heat

✅ Sealed cabinet design for fast, controlled, “no boom” bass

✅ KEF Music Integrity Engine® (MIE) DSP for precision and consistency

✅ iBX Intelligent Bass Extension for deeper bass at real-world listening levels

✅ 3 room position EQ presets to match placement (corner / wall / free space)

✅ Flexible connectivity: RCA line-level, speaker-level inputs, and KW1 expansion port

✅ Multiple power modes including auto wake-up and 12V trigger support

📊 Technical Specifications ▼

Parameter	Value
Product Type	Powered subwoofer (sealed)
Driver	1 × 300 mm (12 in.) front-firing
Frequency Response	22 Hz – 140 Hz (±3 dB)
Maximum Output	114 dB
Amplifier Type	Class-D
Amplifier Power	300 W RMS
Low Pass Filter	40 Hz – 140 Hz, LFE
Inputs	RCA phono sockets (line level); Speaker level inputs; Expansion port for KW1
Wireless	Optional via KEF KW1 wireless subwoofer adapter (via expansion port)
Room EQ Presets	3 position EQ options
Power Requirements	100 – 240 V, 50/60 Hz
Power Consumption	300 VA
Dimensions (H × W × D)	410 × 393 × 410 mm (with rear panel and feet)
Weight	18.6 kg

📦 What’s in the Box

📦 KEF Kube 12 MIE subwoofer

🔌 Power cord

🔧 Euroblock speaker level connector

📖 User manual and warranty information

🔄 Compatibility

Works with AV receivers, stereo amps, processors, DAC/preamps, and soundbars that provide a subwoofer/LFE output. Connect via RCA line-level outputs, or use speaker-level inputs when a dedicated sub-out isn’t available. Supports optional KEF KW1 wireless integration via the rear expansion port for flexible placement.

📦✈️ Shipping & Returns

📦 Insured worldwide delivery

🔄 14-day return policy

🛡️ 2-year EU warranty

📝 Reviews

“Controlled-yet-punchy dose of low-end oomph.” — What Hi-Fi? (Awards 2025 article)

“The subwoofer delivers its gut-punch of low end while remaining in total control.” — What Hi-Fi? (feature on standout subwoofers of 2025)

“Packs a punch in the bass department, delivering powerful and articulate sound.” — HifiPicks (KEF Kube 12 MIE Active Subwoofer review)

⚠️ Warning

⚠️ Warning: This subwoofer may cause “just one more dB” syndrome, sudden room-crawl sub placement experiments, and neighbors developing an unsolicited interest in your movie nights. You have been warned.