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  1. Help upgrading Bose system w/out Sub

    2014-2018 Mazda 3 Skyactiv Audio & Electronics
    So I have the Bose sound system. I think it is pretty terrible since there is just way too much bass and a little too much treble. I've adjusted the bass all the way down, but the sound is still pretty bad. I am an audiophile that loves to listen to music on expensive headphones and a flat...