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<blockquote data-quote="Jeffdachef" data-source="post: 8542755" data-attributes="member: 650438">horrible idea.&nbsp; Thats basically where every bit of sound quality starts with.&nbsp;&nbsp; If you truely want to keep the stock head unit, you need something that De Equalize the factory EQ curve and normalize the bass frequencies and properly process out a proper sub channel like a jl cleansweep.&nbsp; Audiocontrol is a joke.here&#039;s an explanation from the thread that i just answered why this guy&#039;s setup sounded like sh*t and bass was weak and he was clipping left and right.audio is recorded in 2.1 however in a car with stock head units its only processing 2.0 you are trying to get bass out of that 2.0 that has no direct subwoofer processing in it. Worse off, most stock head units have a built in high pass filter which limits bass. So you are fighting a super uphill battle. because you are trying to get bass signal out of a signal meant for midrange speakers which is nonexistent, then you try to boost that up which causes ridiculous amounts of distortion.While aftermarket head units have dedicated subwoofer channel signal processing which decodes musical information purely for sub frequencies.Every setup I had to fix that used audiocontrol LOCs was basically garbage even though they had good high end gear. All had garbage results why? They refused to swap the head unit out or invest in a proper DSP that defeats the factory EQ.&nbsp; Once a proper head unit was in, they ALLL gained massive SQ along with MASSIVE bass output. Along with not clipping and blowing sh*t. Nobody gets how utterly important the head unit is.&nbsp; What good is an amplifier if you are amplifying a sh*t signal to begin with</blockquote>

[QUOTE="Jeffdachef, post: 8542755, member: 650438"] horrible idea. Thats basically where every bit of sound quality starts with. If you truely want to keep the stock head unit, you need something that De Equalize the factory EQ curve and normalize the bass frequencies and properly process out a proper sub channel like a jl cleansweep. Audiocontrol is a joke. here's an explanation from the thread that i just answered why this guy's setup sounded like sh*t and bass was weak and he was clipping left and right. audio is recorded in 2.1 however in a car with stock head units its only processing 2.0 you are trying to get bass out of that 2.0 that has no direct subwoofer processing in it. Worse off, most stock head units have a built in high pass filter which limits bass. So you are fighting a super uphill battle. because you are trying to get bass signal out of a signal meant for midrange speakers which is nonexistent, then you try to boost that up which causes ridiculous amounts of distortion. While aftermarket head units have dedicated subwoofer channel signal processing which decodes musical information purely for sub frequencies. Every setup I had to fix that used audiocontrol LOCs was basically garbage even though they had good high end gear. All had garbage results why? They refused to swap the head unit out or invest in a proper DSP that defeats the factory EQ. Once a proper head unit was in, they ALLL gained massive SQ along with MASSIVE bass output. Along with not clipping and blowing sh*t. Nobody gets how utterly important the head unit is. What good is an amplifier if you are amplifying a sh*t signal to begin with [/QUOTE]

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