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No. You just have no ability to comprehend written English. there is no double down. The facts remain unchanged. The statements are still the same. You asserted in the prior thread that the kick panel wired to the dash speaker would still be 4 ohms because of a cap. It is not. It is two...

some things are black-and-white. Running a 4 ohm stable amp at two ohms is wrong. You also have the option to wire your amp to your headlights if you want. It’s not gonna work better that way. You could also use a much heavier weight oil in your engine if you chose. It’s not gonna work better...

That is going to sound fantastic!

Kimosabi, you came in here spouting about loads and resistance and looking for some kind of validation we just cannot give you. I said nothing about Ford at any time. The THIRD PARTY harnesses I specifically referred to allow plug and play of a 4 channel amp in between the factory harness and...

I’ve seen that. That’s as definitely “off” as a feature can be. :)

This is a great point for a Segway back to what the thread is about. What you start with and intended use probably factors. my Seven speaker no BO doesn’t require changing the rear speaker size since I’m only using head unit power and those 4” speakers won’t fair well at high volume with...

I think I need to send out a “Copper Alert”. There is a collective of electrical engineering students gathered around a water cooler somewhere who haven’t noticed that you’ve gone missing. In the interest of getting you to NOT dilute the usefulness of this thread further, you WIN the argument...

Your graphs on EQ and RTA work were stellar. Your understanding of impedance and amps is not. Go read your boxes for the speakers and amps you bought. When you read the impedance of the hardware, it is talking about resistance in ohms. The amp can do X ohms. The speaker represent Y ohms...

Speaker size settings may affect crossover points for high pass but it will not affect OHMs as that is a matter of resistance.

You are correct about the EQ but entirely wrong about the ohm load. The capacitor is there to high pass the tweeter on the coaxial speaker. The woofer still offers a full 4 ohm resistance. The vast number of people in here complaining about the performance of the Key were using the harness and...

Thanks for the clarification on the EQ. Looks like your post should be authoritative on the EQ assuming the head unit does the same for all SKUS. There are some incorrect posts in the forum regarding EQ. The roll off at 25 Hz doesn’t look very concerning since the kick panel is never gonna be...

****CORRECTION - per MOBRONCO data. It does flatten the EQ in front It does not. I did a ton of reading in this forum to find the data. Thanks to people like RagnarKon and others who do write ups, we have tons of info available. The forscan change only changes to pod EQ. Front stage is...

Sure. We can electrical geek if we must. Resistance can vary. However, there’s no argument that wired as sold on the third-party harnesses they are sending a 2 ohm load to the amp. If Ohm rating didn’t matter it would not be listed. The times the load is within spec aren’t the issue...

It’s feasible mechanically but arguably not a great idea sonically. The Key limits frequency range to about 20-160hz. You’d want those sub way above 20 so let’s say 40hz lowest. Those dash speakers will be working really hard to reproduce all the way down to 160hz. At volume, a 4” speaker...

This doesn’t talk about the horrors of abusing a class D 4 ohm amp by running it at 2 ohms but it very much explains the reason the bi-amp option is the ideal usage of a Key 200. Note the 7:00 mark dialog.

A 10” sub can slam when done right. If you want to get the most from that and don’t care about space or stealth, a down firing box might be good for you. Elite audio makes a nice looking box that attaches to the rear door and has a full cubic foot of space. That one can do a 10 or 12 and should...

Nothing is verboten. It’s your ride! Do it the way that makes you happy each time you turn on the ignition and crank tunes! My post is really for people who have the Key already or are certain they are buying it. Running as wired with 3rd party harnesses is missing a huge improvement to...

During tuning, you set the fader full front so the pods are silent and you pull the fuse for the subwoofer. This keeps the tuning algorithm happy as it listens to the kicks and dash. I have forscan. I turned off the fake engine noise. I did not alter EQ since it only changes the rear pods...

Cool. Here is a link to the manual for Key 200.4 users seeking more info on bi-amp mode. https://www.kicker.com/app/manuals/47KEY2004.pdf

Were you using a plug and play harness? if you got an Audison 8.9 for $400 you got a great deal. I only see those for $1000 online when available. That is a discontinued model though making it old tech. Ironic. You can get a Key 200.4 and a Key 500.1 for about $550-600 these days. That path...