Compare Sonus faber Serafino Tradition vs Sonus faber Sonetto Wall vs KEF Q50a

[[{"Ft":"Construction","Fn":"Colors","Fv":"RED (walnut wood essence with black inlays combined with brushed black aluminium and black leather); WENGE (wenge wood essence with maple inlays with brushed aluminium in titanium finish and brown leather)"},{"Ft":"Construction","Fn":"Drivers | Midrange","Fv":"1x 150mm M15 XTR-04 Neodymium Magnet System"},{"Ft":"Construction","Fn":"Drivers | Tweeter","Fv":"1x 28mm H28 XTR-04 DAD Arrow Point"},{"Ft":"Construction","Fn":"Drivers | Woofer","Fv":"2x 180mm W18XTR-08"},{"Ft":"Construction","Fn":"Loudspeaker Type","Fv":"3.5-way bass-reflex"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"485 mm"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"1091 mm"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"396 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"52 kg (115 lbs)"},{"Ft":"Function","Fn":"Crossover","Fv":"80Hz, 250Hz, 2500Hz"},{"Ft":"Performance","Fn":"Frequency Response","Fv":"30Hz-35kHz"},{"Ft":"Performance","Fn":"Impedance","Fv":"4 ohms"},{"Ft":"Performance","Fn":"Power Input","Fv":"80-350W"},{"Ft":"Performance","Fn":"Sensitivity","Fv":"90 dB"},{"Ft":"Production","Fn":"Debut","Fv":"2017"},{"Ft":"Production","Fn":"EAN Code","Fv":"8056684711598"},{"Ft":"Production","Fn":"Made In","Fv":"Italy (handmade)"}],[{"Ft":"Construction","Fn":"Colors","Fv":"Matte White, Piano Black, Wood, Wenge"},{"Ft":"Construction","Fn":"Drivers | Tweeter","Fv":"1x 29mm DAD driver w/ DKM dome diaphragm"},{"Ft":"Construction","Fn":"Drivers | Woofer","Fv":"1x 150mm Custom diaphragm made with cellulose pulp and other natural fibers + 1x 150mm passive radiator"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Wall-mount loudspeaker"},{"Ft":"Construction","Fn":"Loudspeaker Type","Fv":"2-way, passive radiator"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"7 in (163 mm)"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"20 in (500 mm)"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"12 in (291 mm)"},{"Ft":"Dimensions","Fn":"Weight","Fv":"10.5 lbs (4.8 kg)"},{"Ft":"Function","Fn":"Crossover","Fv":"3800Hz"},{"Ft":"Performance","Fn":"Frequency Response","Fv":"60Hz-25kHz"},{"Ft":"Performance","Fn":"Impedance","Fv":"4 ohms"},{"Ft":"Performance","Fn":"Power Input","Fv":"30-150W"},{"Ft":"Performance","Fn":"Sensitivity","Fv":"89 dB"},{"Ft":"Production","Fn":"Debut","Fv":"2018"},{"Ft":"Production","Fn":"EAN Code","Fv":"8056684712236"},{"Ft":"Production","Fn":"Made In","Fv":"Italy (handmade)"}],[{"Ft":"Construction","Fn":"Colors","Fv":"Satin Black, Satin White, Walnut"},{"Ft":"Construction","Fn":"Drivers | Tweeter","Fv":"1x 25mm (1in.) vented aluminium dome"},{"Ft":"Construction","Fn":"Drivers | Woofer","Fv":"1x 130mm (5.25in.) aluminium Uni-Q"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Dolby Atmos / surround loudspeaker"},{"Ft":"Construction","Fn":"Loudspeaker Type","Fv":"2-way, closed"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"259 mm"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"174 mm"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"180 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"4.25 kg (9.4 lbs)"},{"Ft":"Function","Fn":"Crossover","Fv":"2.5kHz"},{"Ft":"Performance","Fn":"Frequency Response","Fv":"105Hz - 18.5kHz"},{"Ft":"Performance","Fn":"Impedance","Fv":"8 ohms (min 4.6 ohms)"},{"Ft":"Performance","Fn":"Max Sound Level","Fv":"106 dB"},{"Ft":"Performance","Fn":"Power Input","Fv":"10-100 W"},{"Ft":"Performance","Fn":"Sensitivity","Fv":"86 dB"},{"Ft":"Production","Fn":"Debut","Fv":"2017"},{"Ft":"Production","Fn":"Made In","Fv":"China"}]]