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<blockquote data-quote="hispls" data-source="post: 8783307" data-attributes="member: 614752">This may be true.&nbsp; Yes.&nbsp; Many &quot;speaker systems&quot; will have some built in filter/boost circuits to tweak the signal going to the various speakers.&nbsp; If it&#039;s say a bookshelf speaker system or pre-installed soundsystem in a vehicle it&#039;s an easy way for manufacturers to tweak things to sound right.&nbsp;&nbsp; For example, whatever tweeter they get a million of sounds a little anemic in that vehicle, just build in a boost there.&nbsp;&nbsp; Some may also have some sort of compressor function where bass frequencies are boosted more at lower volume levels.&nbsp;&nbsp; The point is it&#039;s all designed to work as a &quot;system&quot; of the exact speakers/processing in the exact locations.&nbsp; Start messing about with variables and you&#039;re often straying away from intended/optimal.Consider also, factory speaker mounting locations may be sub-optimum (not sure about grills but they can&#039;t help).&nbsp;&nbsp; Not sure how you really go about keeping all the &quot;smart&quot; functionality of the head unit in a new car and guarantee reliable signal to your components.&nbsp; Perhaps one of those fancy DSPs will get the job done.&nbsp;&nbsp; Good luck and do report back if you make any progress. I can tell you that it&#039;s not any of your aftermarket equipment as a weak link here.</blockquote>

[QUOTE="hispls, post: 8783307, member: 614752"] This may be true. Yes. Many "speaker systems" will have some built in filter/boost circuits to tweak the signal going to the various speakers. If it's say a bookshelf speaker system or pre-installed soundsystem in a vehicle it's an easy way for manufacturers to tweak things to sound right. For example, whatever tweeter they get a million of sounds a little anemic in that vehicle, just build in a boost there. Some may also have some sort of compressor function where bass frequencies are boosted more at lower volume levels. The point is it's all designed to work as a "system" of the exact speakers/processing in the exact locations. Start messing about with variables and you're often straying away from intended/optimal. Consider also, factory speaker mounting locations may be sub-optimum (not sure about grills but they can't help). Not sure how you really go about keeping all the "smart" functionality of the head unit in a new car and guarantee reliable signal to your components. Perhaps one of those fancy DSPs will get the job done. Good luck and do report back if you make any progress. I can tell you that it's not any of your aftermarket equipment as a weak link here. [/QUOTE]

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