Entry Level Subwoofer Build - Making the Sub Box!Car Audio Speakers, Subwoofers and Amplifiers range from Entry Level to High End, but with the advancements in subwoofer and amplifier design, how good of performance can we achieve with gear on the entry level side of the scale from a reputable manufacturer? In this build we find out! We kick things off with building this custom ported subwoofer enclosure for our subwoofer, the JL Audio 12W1v3-2. Let's build the box, wrap it with carpet and…