Crossover continuously variable from 50Hz-200Hz. <a href="http://www.infinitysystems.com/home/products/product_detail.aspx?prod=BU2u0026CheckProduct=Yu0026Language=ENGu0026Country=USu0026Region=USA">http://www.infinitysystems.com/home/products/product_detail.aspx?prod=BU2u0026CheckProduct=Yu0026Language=ENGu0026Country=USu0026Region=USA</a> Preview Maximize RC Forums: Which subwoofer? (Page 1 of 3) 10/28/11 - A quick overview of ELANs g! solution including control devices, programming and the interface. http://www.remotecentral.com/cgi-bin/mboard/r