The Jamo MFB 90 is a speaker model designed to provide high-quality sound reproduction. It features a unique design that incorporates the principles of both active and passive speaker technologies. The MFB stands for 'Motion Feedback,' which refers to a system integrated within the speaker that helps maintain accuracy in sound reproduction, minimizing distortion. The design typically includes a built-in amplifier and a sophisticated crossover network to guide the frequencies to the appropriate drivers. The cabinet is engineered to reduce resonance and improve sound clarity, often finished with high-quality materials to ensure longevity and aesthetic appeal. The Jamo MFB 90 is suitable for various audio applications, including home audio systems and professional monitoring environments. Specifications often include drivers of specific sizes, frequency response ranges, and power handling capabilities, although precise details may vary by production year.