Aftermarket Replacement Diaphragm. (JBL part number D8R2418 and D8R2418-1) * Handle Same Amount of Power & Sounds Just Like the Original JBL Diaphragm * Comparable to JBL 2418, 2418-1, 2418-8, 2418H, 2418-H, 2418H-8, 2418H-1, EON-15P, EON15P, EON-15G-2, EON15 G2 * Easy to Install with Simple Hand Tools and Require No Soldering * Good DCR Rating: 5.92