K2 POWER, FOURTH GENERATION! Focal is revamping K2 Power, its emblematic line of in-car kits. DEEP, PRECISE BASS ES 165 KX3E is an in-car audio kit consisting of two 6 1/2” (165mm) woofers and two 3” (80mm) midranges that cover a wide frequency spectrum, from a rich, dynamic midrange to deep, precise bass.
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