Check the listing for details. JBL AC390 Two-Way Speaker Crossover Network. Condition: New. Listed at 19.95 USD. JBL AC390 Two-Way Speaker Crossover Network This is a Brand new JBL AC310 Two-Way Speaker Crossover Network. As you can see from the pictures, JBL spares no large expense to use the finest grade capacitors (metallized PETE polymer film at 5% tolerance and laminated, high-permeability sheet steel to the inductor cores. We acquired our crossover networks from a local acoustic R&D company engaged in testing home and pro-audio that recently liquidated some assets. We were fortunate enough to purchase their more discriminating, esoteric audio components--including this crossover network. We’re e-liquidators. We specialize in Military, Government, Industrial and Business liquidation services, disposition and asset recovery management. Our surplus inventory comes to us from many sources, big and small: corporate clients, closing businesses, military DRMO’s, and local government agencies, and individuals. Feel free to contact us with your questions, concerns and suggestions. Contact information:We are "E-liquidators" on Facebook Google “E-liquidators” for additional informationPlease take a moment to see our current specials on eBay our other eBay listings. Powered by SixBit's eCommerce Solution