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Why not leave your Die Hard under the hood and install your XS battery near your amp/s?

i let my friend take full control of my truck and he gets a bail out in it lol

i love my music loud and stupid low. im not trying to chase numbers

10*Log(Power1/Power2) = Power Difference (in db) So in your case, the difference between 1500w & 1kw is 10*Log(1500/1000) = 1.76db This is the maximum theoretical difference in output. It does not account for real world factors which will only decrease the difference to something less than that predicted by the formula. For example power compression (<--explained in the link), the ability of your electrical system to support the larger amplifier, etc etc. For power compression, when you're already at 500w on a driver rated for 750w or so, expecting atleast 1db of power compression is not unreasonable and is likely pretty conservative which would make the actual difference less than 1db. Audibility wise less than 1db especially in the subbass is not going to be audible. Between 1db and 3db it's possible for the difference to be audible depending on circumstances surrounding the listening session but it's not going to be a dramatic difference, in most cases the difference is not worth the cost of the larger amplifier especially if further electrical upgrades are necessary. Beyond 3db (actual acoustic difference, not theoretical difference) it's going to be up to the individual user at what point the cost of the added equipment is worth the difference in acoustic output. It makes more sense to improve your enclosure and maximize your displacement potential long before you ever think about amplifiers. Increasing amplifier power is the least effective and least efficient method of increasing output with the lowest cost/benefit ratio, especially when you already in the 1kw range because to increase power enough to make an audible difference you would then also need to upgrade the electrical system to support the increased amplifier power which only costs more money and time. But yes, it can be slightly more "effective" to upgrade power with multiple subs as opposed to a single driver because the power is distributed among multiple motors which could potentially mean that power compression is lower. However, increasing amplifier power to reach the goal of increasing audible output is and always should be the absolute last factor considered, and more times than not it isn't going to be a worthwhile "upgrade".

Yea.. sadly the videos are showing what these subs do at rest, lol.. pretty much. Get some 16hz or whatever it takes to get some movement on those bad boys. Unlike other new companies.. there will be something interesting with this one.

This is what a build log should be......... NO CHATROOM JUST FLAT OUT SEXY TIME!

So it makes more sense to add more amps and more subs rather than throwing more power at one sub - ricksi30?

Me neither. Heck I don't even take otc drugs ever. I don't drink hardly at all. Maybe once or twice a year. X2 on the drugs here. I did take over the counter pills for colds and various other stuff but nothing to drug me up. Can't say the same about alcohol but I've never ever blacked out or wasted. I don't even take medicine for colds. Just let my body fight it out. Of course I've only gotten 1 cold in the last 8 years or so. Which is pretty damn good seeing as I work outside, and the winters it is usually poring rain and in the mid 30's. Being physically cold does not cause a cold, that's an old wifes tale

The Flatlyne woofers are under-hung -- which means the coil is quite small compared to a "normal" woofer with comparable x-max capacity. I would stick to what IA suggests for them for this reason. They can probably take a little extra but I wouldn't be one to push it with an under-hung driver.

Just have your girlfriend sit on it all the time. Problem solved, extra deebeez gained.

You can tune higher and keep the lows. I wouldn't go higher thatn ~35 though. As stated turn the box to fire in the cabin if it's not already. I've seen a few trunk builds with external aeros and the box all the way to the rear of the trunk port towards cabin.

I have better numbers firing my subs forward with the trunk sealed from the cabin than I ever have firing them towards the rear or upwards.

Careful, with all that red and green, you are going to confuse the little kids down the street into thinking it's December already.

It's a Chinese basket vs. an American basket. No difference really.

Apparently that car runs on stupidity since they covered the fuel fill door.

M5 would be my first choice for helping the OP. He doesnt need much info either and can hook this guy up with a hella hard hitting system. great advice!

There's member here called //m5 and he's really big into spl stuff, you should send him a pm.

I take it that getloud is Shay. Thanks man, I try my hardest, even considering everything I have been through as of late(my amputation). It is like someone said, for all the negative comments, its awesome to see someone take the time to post something positive. Shay it has been awesome to talk to you, and we will continue to communicate. You have my numbers, call me anytime.

we rebuilt to a fourth order Wow nice! Any pics/details of the rebuild? sorry no pics of that. i tore everything out once again. the 4th order just wasnt working out for me. i couldnt play anything under 29hz. i like to play under 20hz daily =)

the guy i bought it from doesn't know jack about car audio. they shouldn't let people like that buy equipment of this level. i'm extremelly happy though!!! not asingle mark on the amp, this thing is like brand new. AWESOME!

Thank's for the feed back so far, what line of AP do you recommend? I checked there website and I found the AQX2500.1 but that does 1150 @ 2ohms and I can't find a 2 ohm rating on the APK2500.1, I would love some more feedback thanks guys.