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Thread: Upgrade Bose Speakers?

  1. #1
    Registered Member

    2016 Mazda 3 Touring

    Join Date
    Jun 2017
    Location
    Durham NC
    Posts
    3

    Upgrade Bose Speakers?

    Hello!
    I have a 2016 Mazda 3 Touring with the Bose audio system. I'm not happy with the sound, and attribute that to the cheap, paper speaker drivers. Has anyone replaced the speakers for better ones? I do tend to use Centerpoint.

    My concern is that Bose is sending the speakers a signal that is not flat, but boosted in the highs or lows to make the cheap drivers sound more full range. So, replacement speakers that are better quality may actually sound worse because they're being sent a signal designed to compensate for the poor speakers.

    Has anyone successfully upgraded all 9 speakers? If so, what did you use? Are the specifications available for the various drivers?

    Thanks!
    Bob

  2. #2
    Registered Member

    2016.5 Mazda CX-5 Grand Touring with Bose

    Join Date
    May 2017
    Location
    Los Angeles
    Posts
    10
    Hey Bob,

    I'm doing the same thing for my 2017 Mazda 3 Grand Touring right now, and I just did the same thing to my wife's 2016 Mazda CX-5 Grand Touring. Both cars have the same Bose system with all the same parts. Five of the speakers are 3.5 in (FL, FC, FR, RL, and RR) running at 3 ohms. The back and front doors are different, though. The front has 8in subs running at 1.25 ohms, and the back has 5.25in drivers running at about 3.5 ohms. I swapped everything in her CX-5 except for the front door subs, and it sounds super-clean. The feed was initially a touch bright, probably because of Bose signal processing, but the built-in Bass/'Treble adjustment on the dash unit completely addresses the issue.

    I used two pairs of the Infinity 3022CFX speakers for the front and far back (i.e. dash and rear pillars), an Infinity Kappa Perfect 300M for the front center in the dash, and the Infinity Kappa 50.11CS 5.25 components in the rear doors. That was for the CX-5, but I'll also be replacing the front door subs in my Mazda 3 with the Earthquake SWS-8Xi 8 subs. Those are the only shallow 8in subs I could find that run natively close to the stock 1.25 ohms. The Earthquakes are rated for 2ohms, but they actually run at 1.76 Ohms if you check the manual, so they are the best option for a replacement (maybe the only option unless you swap out all the Bose electronics).

    The results in the CX-5 were amazing! The biggest difference was the center speaker. Originally, I replaced the right and left on the dash only, and it was too light on the mid, so adding a mid-driver in the center dash helped a lot. You'll be happy with these parts. I researched it a lot and even wrote a lot in the 2016 CX-5 thread. I'll probably come back here for updates on my Mazda 3 upgrade, though, because I just got the car two days ago and have some work to do.

    -Eggz
    Last edited by Eggz; 08-03-2017 at 02:02 AM.

  3. #3
    Registered Member

    2016 Mazda 3 Touring

    Join Date
    Jun 2017
    Location
    Durham NC
    Posts
    3
    Eggz,
    This is great information, thank you!

    Did you happen to figure out the frequencies being sent to each speaker? Seems I remember the dash speakers are crossed over very high, about 3kHz. My main gripe about the Bose is that there's no midrange, and it sounds like they're trying to push cheap speaker drivers to their limits with equalization. I assume you are using the stock amp?

    My concern would be putting the woofers in the doors - don't they have to handle a lot of midrange too?

    Let us know how those woofers work out.

    Thanks again!

    Quote Originally Posted by Eggz View Post
    Hey Bob,

    I'm doing the same thing for my 2017 Mazda 3 Grand Touring right now, and I just did the same thing to my wife's 2016 Mazda CX-5 Grand Touring. Both cars have the same Bose system with all the same parts. Five of the speakers are 3.5 in (FL, FC, FR, RL, and RR) running at 3 ohms. The back and front doors are different, though. The front has 8in subs running at 1.25 ohms, and the back has 5.25in drivers running at about 3.5 ohms. I swapped everything in her CX-5 except for the front door subs, and it sounds super-clean. The feed was initially a touch bright, probably because of Bose signal processing, but the built-in Bass/'Treble adjustment on the dash unit completely addresses the issue.

    I used two pairs of the Infinity 3022CFX speakers for the front and far back (i.e. dash and rear pillars), an Infinity Kappa Perfect 300M for the front center in the dash, and the Infinity Kappa 50.11CS 5.25 components in the rear doors. That was for the CX-5, but I'll also be replacing the front door subs in my Mazda 3 with the Earthquake SWS-8Xi 8 subs. Those are the only shallow 8in subs I could find that run natively close to the stock 1.25 ohms. The Earthquakes are rated for 2ohms, but they actually run at 1.76 Ohms if you check the manual, so they are the best option for a replacement (maybe the only option unless you swap out all the Bose electronics).

    The results in the CX-5 were amazing! The biggest difference was the center speaker. Originally, I replaced the right and left on the dash only, and it was too light on the mid, so adding a mid-driver in the center dash helped a lot. You'll be happy with these parts. I researched it a lot and even wrote a lot in the 2016 CX-5 thread. I'll probably come back here for updates on my Mazda 3 upgrade, though, because I just got the car two days ago and have some work to do.

    -Eggz

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