LD Systems LDS-CURV500S2 2 Array Satellites for CURV 500 Array SystemThis accessory package is suitable for extension or addition to an existing CURV 500. The satellites, 12 x 12 cm in size, are made of black die cast aluminium and produce an excellent sound. This is achieved by their single 4 inch midrange driver and three 1 inch high frequency drivers. Thanks to the WaveAhead technology developed by LD Systems, the tweeters are arranged vertically ahead of the high performance full range speaker, thus the perfect