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<blockquote data-quote="adam71" data-source="post: 3644238" data-attributes="member: 549079">If your vocals sound like they have a lisp when the internal amp is ON then there were OTHER problems within the head unit.&nbsp; I seriously doubt the internal amp was causing that.&nbsp; If it was then there was a serious design flaw.There are several advantages using seperate components.1. Each component has it&#039;s own power supply.&nbsp; That way processing and amplification aren&#039;t using the same power supply and inducing noise.&nbsp; However in the case of an internal amp that isn&#039;t being used the noise will be much lower.2. If you choose to upgrade you can do it 1 component at a time instead of (for example) changing out your head unit or A/V receiver.3.&nbsp; Home theater guys that use seperates are 1) rich enough to afford them LOL&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 2) their power requirements far exceed what the biggest A/V receiver can put out.&nbsp; Also, external amplifiers tend to be much closer to their rated power where as A/V receivers power ratings tend to be a bit optimistic.&nbsp; 3)&nbsp; And again, the PRE/PRO and the AMPS will have their own seperate power supplies.Thats not saying seperates ALWAYS provide the best results.&nbsp; A good clean deck with internal processing can sound just as good with much less noise than say an elaborate setup with seperate EQ, X-over.&nbsp; But that is pretty much where in car audio &quot;less is MORE&quot; in some cases.</blockquote>

[QUOTE="adam71, post: 3644238, member: 549079"] If your vocals sound like they have a lisp when the internal amp is ON then there were OTHER problems within the head unit. I seriously doubt the internal amp was causing that. If it was then there was a serious design flaw. There are several advantages using seperate components. 1. [COLOR=Red][I]Each component has it's own power supply.[/I][/COLOR] That way processing and amplification aren't using the same power supply and inducing noise. However in the case of an internal amp that isn't being used the noise will be much lower. 2. [COLOR=Red][I]If you choose to upgrade you can do it 1 component at a time[/I][/COLOR] instead of (for example) changing out your head unit or A/V receiver. 3. [I][COLOR=Red]Home theater guys that use seperates are [/COLOR][/I]1) rich enough to afford them LOL 2) their power requirements far exceed what the biggest A/V receiver can put out. Also, external amplifiers tend to be much closer to their rated power where as A/V receivers power ratings tend to be a bit optimistic. 3) And again, the PRE/PRO and the AMPS will have their own seperate power supplies. Thats not saying seperates ALWAYS provide the best results. A good clean deck with internal processing can sound just as good with much less noise than say an elaborate setup with seperate EQ, X-over. But that is pretty much where in car audio "less is MORE" in some cases. [/QUOTE]

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