Adding a Three-Way Speaker System

Three-way speaker systems may be more difficult to get to sound right, but installing the speakers for sound quality is no more difficult than other speaker projects. We did this in a GM van, but this how-to applies to many different cars. The van's factory speaker locations were by the driver's ankles, very low in the doors and very poor for good SQ. The best solution here was to mount his primary 4" Alpine Type X separates in the A-pillars of the van, much closer to his ears. The factory speak

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