KEF REFERENCE 8b Twin 9 inches Driver Force-Cancelling Subwoofer

KEF Reference 8b subwoofer

The KEF Reference 8b subwoofer is a high-performance low-frequency system engineered to deliver powerful, accurate, and controlled bass reproduction. Designed with advanced acoustic engineering and precision components, it provides deep and impactful low-frequency output suitable for both music and home theater environments.

At the core of the Reference 8b are two 9-inch long-throw drivers arranged in a back-to-back configuration. This design minimizes cabinet vibrations and distortion, ensuring clean and precise bass performance. The drivers are housed in a heavily braced, acoustically inert enclosure, which enhances structural stability and reduces unwanted resonance for improved sound clarity.

The subwoofer is powered by two 500W Class D amplifiers, each dedicated to driving one of the low-frequency drivers. This dual amplification system ensures efficient power delivery and consistent performance, even at high output levels. The integration of DSP-based control further refines the sound, allowing accurate tuning and optimized bass response.

With a free-field frequency extension down to 18 Hz and a maximum output of 110 dB, the Reference 8b delivers deep, dynamic, and controlled bass. Its adjustable low-pass filter and multiple input options, including RCA, XLR, and speaker-level connections, provide flexibility for integration into various audio systems.

The KEF Reference 8b subwoofer is designed for high-end audio setups, offering precision, power, and low distortion in a compact and refined enclosure.

Features of Reference 8b

• Dual 9-inch long-throw low-frequency drivers
• Back-to-back driver configuration for reduced vibration
• Dual 500W Class D amplification system
• DSP-based control for optimized performance
• Deep bass extension down to 18 Hz
• High output capability up to 110 dB
• Acoustically inert and heavily braced cabinet
• Adjustable low-pass filter with variable slope
• Multiple input options including RCA, XLR, and speaker-level
• Designed for high-performance audio systems

Specifications of Reference 8b