CSA Recone Kit For EV 15" Speaker - EVM-15L - Preassembled CSA Recone Kits are sold exclusively by Circuit Shop Audio. Premium CSA Recone kit for EV EVM-15L - 8 Ohm. All CSA kits are made to meet or exceed OEM part specifications. Kit includes: One-Piece Drop In Kit, Dust Cap, Gasket, Glue and Shim