KEF Kube 12 MIE 12-inch 300W Powered Subwoofer - Black

Experience Cinematic Bass with the KEF Kube 12 MIE

The KEF Kube 12 MIE is a sophisticated 12-inch active subwoofer meticulously engineered to provide deep, immersive, and room-shaking bass performance. Designed with the legendary acoustic precision that KEF is globally renowned for, this subwoofer transforms your home theater or high-end music system. As a core member of the Kube MIE series, it features a specialized front-firing long-throw driver that works in perfect synergy with a high-efficiency 300W Class D amplifier, ensuring authoritative sound even in large living spaces.

Advanced Audio Technology

• Music Integrity Engine® (MIE): This proprietary digital signal processing algorithm maintains perfect synchronization between all components. It delivers a cleaner, more detailed sound profile that elevates your listening experience.
• Intelligent Bass Extension (iBX): Our innovative technology analyzes your audio in real-time, adjusting depth to ensure maximum clarity and impact at any volume level. You will never experience muddled or distorted bass, regardless of how loud the action gets.
• Sealed Cabinet Design: The KEF Kube 12 MIE utilizes a high-performance sealed enclosure to provide superior accuracy and delicate musical detail. The design is versatile, allowing for seamless integration inside custom cabinets, near walls, or in tight living room corners.
• Room Position EQ: Optimize your audio environment instantly. Choose from three preset positions—Free Standing, Wall/In-Cabinet, or Corner—to ensure your subwoofer performs at its peak potential in any room configuration.
• SmartConnect: The intelligent input sensing system automatically detects whether you are using a mono or stereo signal, adjusting the gain level for optimal output without manual interference.

Technical Specifications and Performance

Engineered for audiophiles and cinema enthusiasts, the KEF Kube 12 MIE delivers robust performance specs that stand out in its class.

• Design: Powered Subwoofer in a sealed enclosure.
• Driver Unit: High-performance 12 inch (300mm) long-throw woofer.
• Amplifier Type: Highly efficient Class D amplification.
• Amplifier Power: 300W RMS power output.
• Frequency Response: 22Hz - 140Hz (±3dB).
• Maximum Output: 114dB for high-impact cinematic scenes.
• Connectivity: Versatile RCA Phono sockets and dedicated Speaker level inputs.
• Wireless Capability: Fully compatible with the KEF KW1 wireless adapter kit (available separately) for flexible placement.
• Dimensions: 16.1 x 15.5 x 16.1 inches (H x W x D).
• Weight: 41 lbs for stable, resonance-free operation.

Included in the Package

• KEF Kube 12 MIE Powered Subwoofer (Black finish)
• Standard Power Cord
• Quick Start Guide and Warranty Documentation