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<blockquote data-quote="Dash Parr" data-source="post: 8677471" data-attributes="member: 677265">Hi all,First post here.I&#039;ve been gradually working on my first car audio upgrade in my little 09 Corolla.I&#039;ve currently added:A Kenwood DDX4018BT Head UnitRockford Fosgate P16-S splits in the front.&nbsp; &nbsp; (These were a mistake. They sound very harsh and tuning out treble doesn&#039;t fix the harshness, just gets rid of the treble. I&#039;m hoping powering them properly with an amp will improve this, but I can&#039;t imagine doing so will fix the problem.)My local audiostore has recommended adding an  Audiocontrol lc-4.800 amplifier to power the front speakers and an Alpine sws-10d2 in their custom ported enclosure.What do you guys think about this advice?Also, an extra question that shows off my ignorance: I was playing around with the HU settings - testing adjusting the crossover to remove the bass and see what the speakers sound like and noticed the HU had crossover adjustments for a sub (so I went in and set the sub to none). Could the HU have been wasting power on a non-existent sub or would this have made no difference? Thanks in advance for your advice!</blockquote>

[QUOTE="Dash Parr, post: 8677471, member: 677265"] Hi all, First post here. I've been gradually working on my first car audio upgrade in my little 09 Corolla. I've currently added: A Kenwood DDX4018BT Head Unit Rockford Fosgate P16-S splits in the front. (These were a mistake. They sound very harsh and tuning out treble doesn't fix the harshness, just gets rid of the treble. I'm hoping powering them properly with an amp will improve this, but I can't imagine doing so will fix the problem.) My local audiostore has recommended adding an Audiocontrol lc-4.800 amplifier to power the front speakers and an Alpine sws-10d2 in their custom ported enclosure. What do you guys think about this advice? Also, an extra question that shows off my ignorance: I was playing around with the HU settings - testing adjusting the crossover to remove the bass and see what the speakers sound like and noticed the HU had crossover adjustments for a sub (so I went in and set the sub to none). Could the HU have been wasting power on a non-existent sub or would this have made no difference? Thanks in advance for your advice! [/QUOTE]

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