Average Reviews:
(More customer reviews)i bought this box for my 03 silverado extended cab, which the box is specifically built for. i just got it in today, and my first impression was that this box was very good looking with attention to detail. the corners are all rounded off and smooth. i fitted it under my seat and for some reason they designed it to leave about 6-8 inches of empty space between the driver side bench leg and the box. it seems like they could have used that for more air space or something. i hacked mine up right when i got it, my plan was to fit a 10" alpine type R sub in it, but the sub sits too deep so i modified the box. I wired it in and tested it in my truck. I found a joint that was leaking air, pretty disappointing since they pride themselves on their joint lock technology. so I went ahead and ran another silicone bead around every joint. I re-tested and I was getting a ton of port noise, and since I am a novice mobile audio enthusiast, I had no idea what was causing it. i did some research and realized that the port size is what causes port noise. so make sure that your sub porting specs match this box's specs. the port size is weird because it tapers. at the opening it is approx. 3 1/2"x4", it tapers all the way down to about 3/4"x4. the port length is roughly 14". it looks like these measurements are way off for my type R sub. so since I already chopped my box up, I might try to rebuild it. or I can get a new sub that works.
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It is a known fact that in order to create a 50% increase in your sub bass system you would need to double the power. For example, if you are hitting 135 dB's with an amp that produces 500 watts of RMS power, in order to hit 138 dB's (50% louder) you would need 1000 watts of RMS power. Taking it one step further, to double your dB''s (increase of 6 dB) you would need an additional 2000 watts of RMS power. However, if you are looking to add bass to your car audio system, but don't have the money to buy a new amp, you might want to consider upgrading your speaker box instead. Now you may be asking yourself how a simple subwoofer enclosure is going to achieve the same results as adding massive amounts of power? The short answer is by cutting a port hole in your sealed enclosure. With a sealed sub box you are hearing only half of what your subwoofer is producing. However, when you make access to the back side of your woofer via a port hole, the sound can increase up to double compared to designs where the woofer's back side is sealed off. There is no greater example of this than the "Labyrinth Power Port" that Obcon Sub Bass incorporates into all of their specialty truck boxes. Without adding an ounce of power to your current system the "Labyrinth Power Port" proves to be an easy and effective alternative to upgrading your low end on a limited budget.
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