This is an entry level kit at best. The subs are the low end that MTX makes, the box does not have enough cubic footage to allow the low end subs to perform at their best. the amp is very low power. 800watts seems like a dream for this amp as the best that is can do is 400 and that seems to be peek.
So lets go to the sound. After tuning the amp for about 1.5 hours with my iasca test cd, and getting rid of all distortion, the subs are able to produce 50hz 40 and 35hz, but below that seems to be the subs downfall. They just cant seem to hit those lows. But that is what you get for the low end subs. The sound from the stock magnum box has a little punch to it, but the deep lows that we all like can not be heard/felt. and the feeling is... well....... flat, no depth to the bass at all.
On a hunch that the Box is the culprit I took 1 of the magnum subs out, and put it in to a atrend b-box sub box. I then used the amp included with the magnum kit and hook that up. this is a night and day difference. the sub actually can hit at this point, and the response is better. I was able to get 25hz out of them. The feeling is totally different. Not high end sound, but good enough that some heads may turn for the amount of bass that is put out.
Since I now know that the box is the issue with these subs(Not the only issue but the main issue) I went ahead and added poly fil to the box in hopes that I can trick the sub in to thinking it is in a bigger box. After going to my local dollar store and buying a poly fiber pillow I proceeded to open said pillow up and extract the poly fiber. I then took my adhesive spray and added poly fiber to each box (To be honest there is MAYBE 1/2 a cubic foot of volume in the sub compartment, no where near enough room.) After adding poly fil to each sub box. I then when to testing again.
Results show a lot of improvement. I had a cut off at about 25 to 27hz and we got that nice throaty feeling in the bass. The bass no longer feels flat, and is filling the cab of the jeep just fine now. I did have to re-tune the amp but the poly fill made it all worth it. The subs now at least sound decent.
In the end if you are going to get this kit, either get bigger boxes. or some poly fill. The amp is mediocre, the subs are low end, the box is way too small. As far as looks, the subs look cheep, but the box looks very nice. The amp is also very nice looking but the included instructions of turning the gain all the way up will do nothing but cause damage. If you do buy this kit, you can install it yourself, but I would highly suggest to have a pro tune the amp after you have either poly filled the box, or got some decent boxes for the subs. After you get this going save your money and upgrade the amp, as this amp would be better for mids and highs. and then upgrade the subs.
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