The center channel is the most important speaker in any surround sound home entertainment system, which is why the three-way XQ50c is so lavishly specified. Like the XQ30 floorstander, the 130mm central Uni-Q midrange/HF array incorporates the sophisticated elliptical metal dome tweeter and 'tangerine' waveguide that reproduces any vocals with such unerring accuracy.
I also have a pair of KEF R100 for sale: mints conditions; $300