This is a genuine JBL product.  The Model # is 2414H-1 and it's part # 363858-001X

This horn fits the following speakers:

2414H-1, EON210P, EON 210P, EON300 Series EON305, EON 305, EON315, EON 315, EON510, EON 510, EON 610, EON 612, EON 615 and more