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Discussion Starter · #1 ·
Howdy everyone, I’ve recently purchased a 2015 EX and I have to say I’m mildly disappointed with the audio system. In hopes to improve it; I’m curious if retrofitting a 2015 Si head unit would improve the audio quality at all, and would it be plug and play? I’m aware the Si models came with a sub, my train of thought is the additional amperage can/will improve the sound quality. I probably have the wrong idea of how this all works but figured I should ask the forum before delving into this idea any further. Thanks in advance everyone!
 

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More power does not equal better sound, just like brand-name equipment does not equal better sound. It's all a balancing act and dependent on how you listen to music. The latter point is very important in making sure you buy what you need and don't go overboard.

Would the Si system technically be an upgrade over what you have? Sure.

Would it be worth it for the time and money involved? I doubt it. Maybe if you were getting all the equipment for nearly nothing and had Phantom Audio amp upgrade.

The diymobileaudio forums are a nice resource for learning more.
 

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Discussion Starter · #3 ·
More power does not equal better sound, just like brand-name equipment does not equal better sound. It's all a balancing act and dependent on how you listen to music. The latter point is very important in making sure you buy what you need and don't go overboard.

Would the Si system technically be an upgrade over what you have? Sure.

Would it be worth it for the time and money involved? I doubt it. Maybe if you were getting all the equipment for nearly nothing and had Phantom Audio amp upgrade.

The diymobileaudio forums are a nice resource for learning more.
Interesting, but yeah you’re right, it probably isn’t very cost efficient, was mostly wondering what was possible as far oem possibilities. Thank you for the response!
 

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Howdy everyone, I’ve recently purchased a 2015 EX and I have to say I’m mildly disappointed with the audio system. In hopes to improve it; I’m curious if retrofitting a 2015 Si head unit would improve the audio quality at all, and would it be plug and play? I’m aware the Si models came with a sub, my train of thought is the additional amperage can/will improve the sound quality. I probably have the wrong idea of how this all works but figured I should ask the forum before delving into this idea any further. Thanks in advance everyone!
The head unit is useless as it's unpowered.
You'd need the amplifier under the steering column and to rewire off that to stock fostex speakers. Otherwise itd be useless.
You're better off leaving the stock unit in,and amping it and adding speakers in whatever way you please. Either 2.0 2.1 4.0 4.1 whatever you decide.

To keep things the simplest

Run a single amp with 2 coaxials in the doors,and 1 6.5 or 8" sub in it's more than likely manufacturer enclosure as they're cheap nowadays.
1 single 4 ch amp can run all of this.
You can easily do this yourself for under $300.
Skip the sub and save yourself $100.
 

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Howdy everyone, I’ve recently purchased a 2015 EX and I have to say I’m mildly disappointed with the audio system. In hopes to improve it; I’m curious if retrofitting a 2015 Si head unit would improve the audio quality at all, and would it be plug and play? I’m aware the Si models came with a sub, my train of thought is the additional amperage can/will improve the sound quality. I probably have the wrong idea of how this all works but figured I should ask the forum before delving into this idea any further. Thanks in advance everyone!
just buy an aftermarket head unit. it would cost about the same or less than a honda unit.
 
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