Product details

DESCRIPTION

12‑Inch Front‑Firing Active Subwoofer

The KEF Kube 12 MIE is engineered for listeners who demand deep, powerful, room‑shaking bass. Featuring a large 12‑inch long‑throw driver, a sealed cabinet, and a 300W RMS Class‑D amplifier, the Kube 12 MIE delivers exceptional low‑frequency impact with precision and control.

Powered by KEF’s advanced Music Integrity Engine® (MIE) DSP platform, the Kube 12 MIE dynamically enhances bass depth, clarity, and responsiveness unlocking the full potential of its driver and amplifier. Ideal for larger living rooms, media rooms, and dedicated home theatres, it brings cinematic immersion to movies, music, gaming, and streaming.

Key Features

  • Music Integrity Engine® (MIE) KEF’s proprietary DSP ensures perfect harmony between driver, amplifier, and cabinet for deeper, cleaner, more accurate bass.

  • iBX Intelligent Bass Extension Dynamically extends low‑frequency depth for greater impact at any listening level.

  • 12‑Inch Front‑Firing Driver Large cone area and high excursion deliver powerful output at low frequencies.

  • 300W RMS Class‑D Amplifier Efficient, cool‑running amplifier engineered for high dynamic performance.

  • Sealed Cabinet Design Allows flexible placement and delivers tight, controlled bass with minimal coloration.

  • Versatile Connectivity KEF SmartConnect, RCA line‑level, and speaker‑level inputs for seamless system integration.

  • 3 Room EQ Presets Optimized performance for wall, corner, or free‑space placement.

  • Wireless‑Ready Compatible with the KW1 Wireless Subwoofer Adapter Kit for cable‑free placement.

SPECIFICATION

Design:
Powered Subwoofer (Sealed)

Drive Units:
1 × 300 mm (12 in.)

Frequency Response:
22 Hz – 140 Hz (±3 dB)

Maximum Output:
114 dB

Amplifier Type:
Class‑D

Amplifier Power:
300 W RMS

Variable Low Pass Filter:
40 Hz – 140 Hz, LFE

Inputs:
RCA phono sockets
Speaker‑level inputs
Expansion port for KW1

Power Requirements:
100 – 240 V, 50/60 Hz

Power Consumption:
300 VA

Dimensions (H × W × D, with rear panel & feet):
410 × 393 × 410 mm
(16.1 × 15.5 × 16.1 in.)

Weight (per unit):
18.6 kg

Downloads:
• Product Drawing
• Product Drawing with KW1

Remarks:
• Visit Product Support for more details
• KEF reserves the right to amend specifications in line with ongoing R&D
• E&OE
Measurement per unit

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