Model 2440 is a massive professional quality compression driver built to typical JBL standards of precision. It has a four inch
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1 Pcs Replacement Diaphragm For Jbl 2440, 2440j, 2441, 2441j, 2445, 2445j, 375, 375j , 5a360, Mi11427 - Speaker Accessories - AliExpress
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