KEF Q11 Meta Floor-Standing Speaker (Each) Introducing the Q11 Meta HiFi speaker, the largest, most powerful model in the Q Series collection. Our flagship 3-way floorstanding speaker is designed for immersive performance in larger rooms and home theatres. Equipped with a 12th generation Uni-Q® driver array with MAT™ technology, along with three 6.5" hybrid aluminum bass drivers, it delivers music and movies with refined detail, powerful bass, and uncompromising depth. (Sold as Each) Product Highlights: 3-way design 3/4" vented aluminum dome tweeter with MAT absorber MAT's maze-like construction absorbs up to 99% of unwanted sound behind the tweeter for clearer, more natural sound 4" midrange driver Tweeter and midrange use KEF's Uni-Q technology for greater dispersion and a wider "sweet spot" Three 6-1/2" hybrid aluminum bass drivers Frequency response: 44-20,000 Hz (±3dB) Sensitivity: 89 dB Impedance: 4 ohms Recommended amplifier power: 15-225 watts Bass-reflex cabinet with two flare