Soundsing Audio Manufacturing Co.,Ltd is one of the leading China 2 way speaker crossover manufacturers and suppliers,Website:http://www.soundsingpro.com, ... :500W Filter Feature:L:12db,H:18db Lamb protection Packing Information: 1 crossover one brown inner box, 24pcs in one carton ... Carton Size: 46*20.5*42CM Other Information Place of Original: Guangzhou, China Payment Terms: T/T, ...