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Message: <blockquote data-quote="Doxquzme" data-source="post: 8917939" data-attributes="member: 689267">So, start at the long end, the DSP, get to the rest later.A decent 10-channel DSP will set you back between $500 to upwards of over several thousand. I didn't see the amp or amplifiers you intend to use, but we can get to that later.DSP units allow you to compensate for the acoustical anomalies in a vehicle cabin, things such as peaks, other weaknesses, nulls, crossover EQs, time alignment, etc.This unit, when loaded into the cart, comes in at $595.00 and is an example of an 8-channel in, 10-channel out. The 10 channels out go to ten amplified channels, 12 out go to 12 amplified channels, etc.Technically, you only need 2 channels in and 10 channels out for a fully active setup in your RAM 2500.[URL unfurl="true"]https://audiointensity.com/products/goldhorn-dsp-10-10-channel-standalone-dsp?variant=41581982679129&country=US&currency=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&srsltid=AfmBOoohgN-se07sIHL5DtCH5tIbvT3AlFgYhOsLAelNZOcKZyz-qso8gfI[/URL]If you don't even know or have not heard of DSP in car audio, you've been away for a LONG time.That said, you do not have to employ a DSP unit, as even the factory HU may have EQ, time alignment, a mini sort of DSP already, something you need to do a little research on.In that vein, you don;t have to use the center dash speaker at all if you don;t care about what that is used to do besides music, as it may be used for doorbells, chimes, on-off, key engaged, entrance and exit sounds, etc.Personally, not a fan of the use of a center channel in upgrades, as I think they are a poor excuse, a poor method for creating a center stage. Stereo is what most things are recorded in, and a good front setup done correctly will get you a better center stage than 3 speakers will, all day long, that's just my opinion.So, in short, before I begin to advise on a DSP solution, need to know how far in you want to go. DSP requires a calibration MIC, a laptop, preferably, and the ability to measure what the system is doing.Additionally, to have someone else do it correctly, you will pay someone serious money, like $4-500.00 to tune the system remotely or locally, depending on what's available.My advice is go spend some serious time out on YouTube, check out a bunch of "how-to" vids on tuning with DSP.This guide from Audio Frog is  a great resource to give you an idea of what tuning with DSP entails:<a href="https://testgear.audiofrog.com/wp-content/uploads/2018/03/A-Straightforward-Stereo-Tuning-Process-and-Some-Notes-About-Why-it-Works.pdf" target="_blank">https://testgear.audiofrog.com/wp-content/uploads/2018/03/A-Straightforward-Stereo-Tuning-Process-and-Some-Notes-About-Why-it-Works.pdf</a>If you have the money, there are some self-tuning DSPs available; one of the best is the C-DSP 8x12 DL:[URL unfurl="true"]https://www.minidsp.com/products/car-audio-dsp/cdsp-8x12-dl[/URL]You can find these used for around $650.00 plus. That unit will get you to about 80-85% of a professional tune, with just a modicum of learning involved.Still need a calibration MIC. a laptop, and some trial and error to do it right.So, no point in recomending any one in particular until you know you are committed to investing a little personal time to learn how.</blockquote>

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