KEF Kube 8 MIE Subwoofer

🧾 Overview

The KEF Kube 8 MIE is a compact, sealed active subwoofer designed to deliver surprisingly deep, controlled bass in smaller rooms. With a front-firing 200 mm long-throw driver, a 300 W RMS Class-D amplifier, and KEF’s Music Integrity Engine DSP, it adds weight and impact to music, movies, TV and gaming without turning your room into a “boom box”.

✅ Key Features

✅ 8-inch (200 mm) front-firing long-throw driver for punchy, room-friendly bass

✅ Sealed enclosure for fast, tight low-end and flexible placement (even in cabinets)

✅ 300 W RMS Class-D amplifier for strong control and dynamics

✅ Music Integrity Engine® (MIE) DSP for deeper extension, higher output and lower distortion

✅ iBX Intelligent Bass Extension for more depth at real-world listening levels

✅ KEF SmartConnect auto-optimises gain for mono or stereo inputs

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

✅ Expansion port for optional KW1 wireless subwoofer adapter (sold separately)

📦 What’s in the Box

📦 Kube 8 MIE subwoofer

🔌 Power cord

🔩 Euroblock speaker level connector

📖 User manual and warranty information

🔄 Compatibility

Works with AV receivers, stereo amplifiers, processors, DAC/preamps and active speaker systems via RCA line/LFE input. If your amplifier has no sub output, you can connect using the speaker-level inputs. For easier placement, the rear expansion port supports the optional KEF KW1 wireless subwoofer adapter (sold separately).

📦✈️ Shipping & Returns

📦 Insured worldwide delivery

🔄 14-day return policy

🛡️ 2-year EU warranty

📝 Reviews

“If you add the Kube 8 MIE subwoofer, the performance ratchets up… even more confident, weighted and satisfying.” — AVForums
“The Kube 8 provides a surprising amount of rich, punchy bass in a compact package.” — Crutchfield (Woody Sherman)
“I confirmed within minutes that the sub and speakers work together as intended.” — Darko.Audio (John Darko)

⚠️ Warning

⚠️ Warning: Adding the Kube 8 MIE may trigger “bass detective mode” — you’ll start replaying the same kick drum, measuring corners, and insisting it’s not louder… it’s just more accurate.