Please I need help. I have an 07 Cadillac Escalade with a c-pillar 4th order. 2 dc audio level 6 18s on 2 deaf bonce asa 8000.1. Sealed 6cu ported 12cu 240 sq port tuned up 47. It sounds amazing and deep from 28hz-42hz but the coils get really stinky really fast. Voltage only goes down to about 14.3 volts and there is no clipping. But my real question is did I make the wrong choice by putting them in a 4th order box. Any help would be greatly appreciated thank you
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