The Full Size Box Recommendation is for when a DD user's system output takes priority over cargo capacity. The Full Size Box is more efficient down where modern Hip Hop and Bass CDs are going. Those that enjoy the virtues of singular sine-wave sinus cavitation experiments will benefit from the full size cans. If you've got the room and are willing to spare it, this is the size we recommend. A cool bonus is that you'll draw a little less current from your amp...call it..."the green box". Leave a smaller carbon footprint and all that good stuff.
For standard to metric conversion, simply multiply dimensions by 2.54 to get units of centimeters. To convert cubic feet to litres, multiply volume by 28.316.
6" Box
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8" Box
10" Box
12" Box
15" Box
18" Box