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If your vehicle’s stereo (head unit) comes with an Anti-theft code, DO NOT disconnect the battery. If you have the access code for the stereo (head unit), please refer to the vehicle’s owner’s manual. ALUMINUM CONE F The spun aluminum cone provides outstanding con rigidity and lowers distortion. Ad- E dtionally, the combination of strengh and weight allows for higher output levels without A cone break up. T DUAL 4-OHM COPPER VOICE COILS W/ BLACK ANODIZED FORMERS U For high efficient thermal tran