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  1. #1
    Join Date
    Sep 2017
    Location
    central valley ca
    Posts
    6

    Default 2020 Supra SL450 JL Audio system adjustment help

    hello all, was hoping someone might be able to point me in the right direction. I sold my moomba craz with wetsounds and jl audio subs and purchased a 2020 sl450 with the upgraded jl audio system. The system sounds really clean but i was expecting more bass. i'm just not as impressed as i thought i would be. I wanted to adjust the system but noticed the amps are the new MV series which needs to be adjusted with a computer. Have any of you messed with it yet? i live 2 hours away from my dealer so im trying to avoid going back just for this.

    Thanks

  2. #2
    Join Date
    May 2018
    Posts
    4,928

    Default

    Two subs and not enough bass? JL audio custom tuned the 2020’s at the factory too.

    I know the SL only has 10” subs compared to SA and SE, but still should have plenty of bass.


    Sent from my iPhone using Tapatalk
    2021 Supra SA 400
    2018 Supra SA 400 (SOLD)
    Michigan

  3. #3
    Join Date
    Sep 2017
    Location
    central valley ca
    Posts
    6

    Default

    i was talking to the dealer and he said he had one come in and one of the subs wasn't plugged in. I checked and they are both wired, however idk if its off on the program. Its got bass, but i guess i was used to my 2 10s i had in the craz, granted i had a 7 band eq and if the supra has it idk where its at.
    2002 Gmc 2500 Sold
    2007 Chevy 2500
    2020 Gmc 3500 denali
    2018 Moomba Craz Sold
    2020 Supra SL450

  4. #4
    Join Date
    May 2018
    Posts
    4,928

    Default

    Your Bluetooth source needs to be set flat or EQ off


    Sent from my iPhone using Tapatalk
    2021 Supra SA 400
    2018 Supra SA 400 (SOLD)
    Michigan

  5. #5
    Join Date
    Oct 2010
    Location
    Lake Wylie NC Area
    Posts
    2,467

    Default

    You can go onto JL's site, download the DSP software and have at it.

  6. #6
    Join Date
    Nov 2016
    Location
    Knoxville, TN
    Posts
    1,386

    Default

    I've been on a new 2020 SA, the factory stereo rocked, bass for days. Something seems off with yours. Play with your menus for audio and as Larry suggested, turn of any eq on your phone. Also try plugging your phone in, they most always sound better that way.
    2018 Supra SA400 aka The Ron Burgandy
    2011 Sea-Doo Wake 155
    2015 Mojo Surf, sold...2013 Axis A22 Recon Edition, sold...2010 Axis A22, sold...2007 Maxum 1800sr3, sold

  7. #7
    Join Date
    Sep 2017
    Location
    central valley ca
    Posts
    6

    Default

    ill give it a try tomorrow and see, hopefully its something im missing.
    2002 Gmc 2500 Sold
    2007 Chevy 2500
    2020 Gmc 3500 denali
    2018 Moomba Craz Sold
    2020 Supra SL450

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