KEF Q550 Floorstander Speaker

Compact 2.5-way floorstander The Q550 2.5-way is far more capable than its compact size might suggest, delivering wide bandwidth and full scale with ease.With the KEF signature Uni-Q driver, a 130mm (5.25 inch) aluminium bass driver and two matching ABRs the Q550 delivers phenomenal audiophile performance with clarity and power. * Magnetic Grilles sold separately. Priced EACH.   Specifications: Weight: 14.5kg (32 lbs) Dimension (H x W x D) 34.37 x 7.08 x 10.94 in (873 x 180 x 278 mm)36.45 x 11.77 x 12.20 in (926 x 299 x 310 mm) w/ Plinth Design: 2.5-way bass reflex Sensitivity: 87dB (2.83V/1m) Frequency Range Free Field: 45Hz (-6dB) Frequency Response: 58Hz-28kHz (±3dB) Maximum Output: 110dB Amplifier Requirements: 15-130W Nominal Impedance: 8 Ohms (min.3.5 Ohms) Drive Units: 130mm (5.25in.) aluminium Uni-Q25mm (1in.)vented aluminium dome HF130mm (5.25in.) aluminium LF2 x 130mm (5.25in.)aluminium ABR Crossover Frequencies: 2.5kHz