THIS AD IS FOR A PAIR OF AUDIO ELECTRONIC 5 INCH BASS/MID DRIVERS . THE CHASSIS WERE MADE BY KEF AND ARE THE SAME AS THE B110 , AUDIO ELECTRONIC ( WHO WERE BASED IN WORTHING) FITTED THEM WITH A SPUN ALUMINIUM CONE AND A HIGH TEMPERATURE VOICE COIL ON A KAPKON FORMER . THESE ARE HIGH END UNITS AND HAVE BEEN USED IN SOME EXTREMELY EXPENSIVE DESIGNS. THESE UNITS WOULD BE IDEAL FOR AN UPDATED LS3/5A PROJECT CABS AND CROSSOVERS FOR WHICH ARE AVAILABLE ON EBAY . COINCIDENTALLY YOU WILL ALSO SEE SOMEONE ELSE SELLING THESE AT £110 A PAIR SO GRAB A BARGAIN. POSTAGE IS INCLUDED IN THE PRICE.