The setup is 4 x 12" Electro Voice Black Label Instrument speakers, with band pass filters between ~90 and 6800 hertz. I'll see if I can dig up the plans if you want to build some youself. These filters are fairly sharp fall off and chew a bunch of power on their own... together, everything uses about 1800W that is supplied by 4 jbl 700 series grand touring amps(they don't make the exact model anymore
afaik(fully bridgeable))
There are 2 x MTX Thunder Road 7512 Subs bolted into an infinite baffle enclosure that uses the car's spare wheel well(coated with 2 layers of dynamat, to reduce boom). There aren't any filters on those as the amps used are old MTX D series(I think?, they don't make them any more, and I'd have to unbolt them to read exactly what they are.) which only pass low frequency signals anyway. These use about 1000W
There are 4 x 125w super tweeters running directly of the jbl amps as well for the high end. These have inbuilt crossover networks.
There are 2 x 50w clarion 6x9's and 2 x 50W clarion splits for the front running of the (old) alpine headunit(you can't even really hear these with the main system on, they're just for use when I have to drive the g/f somewhere as she hates the big system). Tunes etc are supplied by a mac mini with a solid state main disk and a carnetix smart power supply with ignition detection. The screen for the whole lot is a Xenarc 700IDT(which is a touchscreen)
I honestly can't remember the total cost but it was under 2000 Australian dollars.
Oh, also, I have 4 farads of capacitors on the system with a 300 Amp circuit breaker.
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