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The usual supercap used is the Maxwell 3000F 2.7V. 6 are required in series to be able to function in a 14V vehicle environment. The 3000F Maxwells are rated each at about 200A of max continuous current draw. Current in series is the same so a bank of 6 are still restricted to that ~200A (max continuous). 1900A peak. So to be safe, you'd want at least one bank for every 200A of current your system consumes. If you have an amp which draws 1000A, then 1000/200=5 banks would give you a very safe buffer. More banks will naturally give you more energy capacity. It's difficult to do an apples-apples comparison of batteries to caps as they are very different creatures. Batteries store TONS of energy while caps can store and release current very quickly. It also depends on what you use them for....burping or demoing. If in doubt..........just get 32 banks (192 caps) like AMI has....

I think for me the part that makes me nervous is the unknown. The fact that I don't completely understand them. How do you know how many you need, etc? Do you replace batteries with them, or if you had batteries would you run them along with those batteries? Stuff like that. If you're replacing a battery with these, say you had a D7500, how many would you need to equal that? I won't like, I saw this on facebook yesterday too, and I thought "hm xs power came out with an energy drink". You know like NOS did. LOL OH RIGHT, Like none of you thought the same thing!!!

Hmm.

OMG an electronic device that looks the same as another on the outside! Must be the exact same thing!

Lol I don't think it is expensive at all.This thing saves me from popping one of my $600 subs it is well worth it. $150 to save $1000's in equipment... that's a no brainer

I doubt they would come out with a cheaper product if people are paying that money for the maxwell caps they would surely pay the same or more for nicely packaged Xs power product. I think so not only because of the customer service but because they have built a huge name for themselves in the car audio community.

I don't think xs making these will help prices any. I mean they business model is "whatever the market will bear" you don't see any $90 g34 xs batteries.

The usual supercap used is the Maxwell 3000F 2.7V. 6 are required in series to be able to function in a 14V vehicle environment. The 3000F Maxwells are rated each at about 200A of max continuous current draw. Current in series is the same so a bank of 6 are still restricted to that ~200A (max continuous). 1900A peak. So to be safe, you'd want at least one bank for every 200A of current your system consumes. If you have an amp which draws 1000A, then 1000/200=5 banks would give you a very safe buffer. More banks will naturally give you more energy capacity. It's difficult to do an apples-apples comparison of batteries to caps as they are very different creatures. Batteries store TONS of energy while caps can store and release current very quickly. It also depends on what you use them for....burping or demoing. If in doubt..........just get 32 banks (192 caps) like AMI has.... thank you for saying this. i see people asking if adding 1 bank would help their 6k system. well sure it will help, but you are gunna be taxing that bank to the max aka, drawing more than 200 amps, thus reduce life and possibly causing a hazard. anyways, these caps should be interesting, and i highly doubt these are made in the USA. if they are, and are reasonably price they may have something. I hope they do have something here, protection circuits could be nice. i wonder if passive or active. also a waiver to use? lol. tuned in to see this play out.

screw the price.. $149 is cheaper than spending money on subs every month.. i used to kill my subs in a month or less thats why i quit audio from 2005 to 2011..

FYI: almost 6,000 DD-1's sold to date (not including the Plus or the DD-1 HV) 99.99% 5 star ratings on every site i sell them on and also my dealer sites. one guy got mad and left me a 1 star rating because his did not come with a 9v and he thought it should. For example... over all, that is a LOT of people who are now setting gains properly that were not before. Haters will be haters, not much i can do about it but keep on pushing forward....hell i bet most of them are mad because they did not think of it first. Even if they did, they don't have the amazing engineers that i have on my side. Nor do they have the drive to make it happen.