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      11-17-2022, 07:32 AM   #5
FotiosF90M5
///M Specialist South Shore BMW
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Drives: 2021 M5 Comp BHG/Silverstone
Join Date: Jan 2007
Location: South Shore, MA

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Quote:
Originally Posted by hunter8793 View Post
I'm glad you got your setup working.

Since you have this experience now, what can you tell a guy that would like to add a 10 or 12 inch sub in the truck?
I'm a fan of keeping it simple and needing a smaller footprint. If I were to do it again and only add a sub to an HK system this is what I'd do.
Technic PNP with loc
(Make sure it's ram unit if you have the booster)
JL audio 10" self powered box (400watt)
W/ bass control knob ( knob is essential)
I have a ported one but I think a sealed would be punchier ( ported maybe deeper ) either way is likely fine. Reason I like active/self powered is because it's just less stuff, cables, amps, brackets ( needs less space and just less work)
Clean install, good cables, and a good amp hook up kit 8 gauge would work well.
So:
Technic harness to loc- ( will give you signal turn on and loc power right from harness oem cabling )
loc to sub/internal amp via rca's , start with low gain and keep lowest gain while still sounding clean and strong enough then tune with bass knob based on what your listening to.
This is a nice and efficient way to do a 10" sub from my own experience. I'm not a pro and people might disagree but this is what I'd personally do and recommend. Hope this helps
Oh btw I put the sub box against middle of the rear seat backs FACING / firing to back of trunk. Secure it very well or it will sound like crap if it's loose in any way. I did sound deadening on trunk floor as well. Other places too but that's a different story.
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2021 M5 COMPETITION LCI Brands Hatch Gray on SIlverstone, carbon roof, comp wheels, Mperf splitter, carbon pro spoiler, carbon diffuser , carbon paddles, executive pkg. Dinan HAS, RaceChip, dinan spacers, FC stud kit, etc
Appreciate 0