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<blockquote data-quote="Jeffdachef" data-source="post: 8677541" data-attributes="member: 650438">no none of that is your  issue and adding an amp wont make your treble any less harsh. This is the consequence of buying a component speaker.  The passive crossover in the set has a set point for example 5000hz and you cant change that whatsoever. its where the midrange dies down and the tweeter picks back up. In an idea situation this will do that and you&#039;ll have a fairly flat pleasing response. However in a car, you have different dash shapes, seat fabrics, and overall car acoustics that drastically change how your speakers sound. Your same speakers, head unit etc.. in a different car could sound absolutely amazing while it sounds like shit in your car.  In your situation even adding an amp will just make the treble even harsher. The harshness is caused by a spike in the frequency response due to bad crossover points, you think its the tweeters but its actually the mid as well.  You can EQ it all you want but its a horribly weak band aid to the real problem. You&#039;ll want the ability to control the crossovers yourself and how much power goes to each mid and tweeter to achieve a perfect blend between mid and tweeter. Your kenwood head unit does not have that ability. You can 1 get an active capable amp or 2 get a dsp and a 4 channel amp and run active.I&#039;ve had a corolla before, they have a tendency to have a natural high spike in the 6khz to 8khz range regardless of components used. The best solution is to have a crossover gap between the mid and tweet which tames the peak and flatten the frequency response very well.</blockquote>

[QUOTE="Jeffdachef, post: 8677541, member: 650438"] no none of that is your issue and adding an amp wont make your treble any less harsh. This is the consequence of buying a component speaker. The passive crossover in the set has a set point for example 5000hz and you cant change that whatsoever. its where the midrange dies down and the tweeter picks back up. In an idea situation this will do that and you'll have a fairly flat pleasing response. However in a car, you have different dash shapes, seat fabrics, and overall car acoustics that drastically change how your speakers sound. Your same speakers, head unit etc.. in a different car could sound absolutely amazing while it sounds like shit in your car. In your situation even adding an amp will just make the treble even harsher. The harshness is caused by a spike in the frequency response due to bad crossover points, you think its the tweeters but its actually the mid as well. You can EQ it all you want but its a horribly weak band aid to the real problem. You'll want the ability to control the crossovers yourself and how much power goes to each mid and tweeter to achieve a perfect blend between mid and tweeter. Your kenwood head unit does not have that ability. You can 1 get an active capable amp or 2 get a dsp and a 4 channel amp and run active. I've had a corolla before, they have a tendency to have a natural high spike in the 6khz to 8khz range regardless of components used. The best solution is to have a crossover gap between the mid and tweet which tames the peak and flatten the frequency response very well. [/QUOTE]

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