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<blockquote data-quote="will3" data-source="post: 8312109" data-attributes="member: 602964">I have been an IA dealer for 8 years and I compete with IA most of the time, the mirror feature is not the same as strapped there is no strap link and the amplifiers operate independently of each other, other than there input sections are linked together via the mirrorIA doesn&#039;t make budget or compromised amplifiersNo, there is not a specific reason for the phase adjustment, if the need ever arose it can be added very easily with a outboard EQ and most HU&#039;s with subwoofer control already have some version of a phase flip or adjustment as wellThere are 3 generations of IA20.1&#039;s as well1st gen - (surf board amplifiers) very popular with USACi crowd because of there favorable 4 ohm power rating and were very stable wired into very low impedance&#039;s and high voltage ( shared board with several different amplifiers )2nd Gen -&nbsp; were 1/2 the physical size of the original very different layout still very underrated, much cleaner, still work in low impedance and high volt3rd Gen (current) - larger both physically and power than previous Gen ,new Mirror feature, works better in lower impedance&#039;s than previous Gen, Higher operating voltage than previous GenCould have left some stuff out but that is just short and curly of it</blockquote>

[QUOTE="will3, post: 8312109, member: 602964"] I have been an IA dealer for 8 years and I compete with IA most of the time, the mirror feature is not the same as strapped there is no strap link and the amplifiers operate independently of each other, other than there input sections are linked together via the mirror IA doesn't make budget or compromised amplifiers No, there is not a specific reason for the phase adjustment, if the need ever arose it can be added very easily with a outboard EQ and most HU's with subwoofer control already have some version of a phase flip or adjustment as well There are 3 generations of IA20.1's as well 1st gen - (surf board amplifiers) very popular with USACi crowd because of there favorable 4 ohm power rating and were very stable wired into very low impedance's and high voltage ( shared board with several different amplifiers ) 2nd Gen - were 1/2 the physical size of the original very different layout still very underrated, much cleaner, still work in low impedance and high volt 3rd Gen (current) - larger both physically and power than previous Gen ,new Mirror feature, works better in lower impedance's than previous Gen, Higher operating voltage than previous Gen Could have left some stuff out but that is just short and curly of it [/QUOTE]

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