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Thread: Turning up amp

  1. #1

    Default Turning up amp

    Hi, just received our new SL. Dealer says no way to turn up amp for subs, haven’t looked yet. Wondering if anyone can share knowledge if there’s a simple way to do this before I crawl under. Thanks
    2014 Moomba LSV
    2018 Moomba Max

  2. #2
    Join Date
    Mar 2021
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    South Georgia
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    Make sure you have the frequency setting on the Fusion head unit set to as high as it will go. Mine was set at 55 Hz when I got it, and it let virtually no bass through.

    Sent from my moto z4 using Tapatalk
    2021 Moomba Makai
    Black Cherry Metal Flake & Fire Red
    Nibral OJ 15.5x15 Altitude/Wake prop w/1.76 trans v-drive
    Wet Sounds Rev 8's, 10's, & sub

  3. #3
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    Assuming its a Fusion

    Sent from my moto z4 using Tapatalk
    2021 Moomba Makai
    Black Cherry Metal Flake & Fire Red
    Nibral OJ 15.5x15 Altitude/Wake prop w/1.76 trans v-drive
    Wet Sounds Rev 8's, 10's, & sub

  4. #4
    Join Date
    Oct 2010
    Location
    Lake Wylie NC Area
    Posts
    2,366

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    What is your definition of "turn up amp"? A new "SL" seems you have a new Supra? In this case, it should have the JL Audio MVi DSP amp. They are completely tunable using their downloaded app, but its not got the faint at heart. But of a learning curve.

  5. #5
    Join Date
    May 2018
    Posts
    3,748

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    Understanding that the SL has twin 10 JL subs, I have to say the SA sound system has officially surpassed my audio listening capabilities.

    Way too loud and omg the bass will give you a full body massage.


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

  6. #6
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    Mar 2021
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    South Georgia
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    I parked next to a new 2021 SE550 this weekend. I wondered what sub, or subs he had. Yes, the bass on that thing literally made the water jump up all around the hull of the boat! It made my boat actually vibrate. I just thought my 10" wet sounds sub would rock till I hear that.

    Sent from my moto z4 using Tapatalk
    2021 Moomba Makai
    Black Cherry Metal Flake & Fire Red
    Nibral OJ 15.5x15 Altitude/Wake prop w/1.76 trans v-drive
    Wet Sounds Rev 8's, 10's, & sub

  7. #7
    Join Date
    May 2018
    Posts
    3,748

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    Quote Originally Posted by HFarr View Post
    I parked next to a new 2021 SE550 this weekend. I wondered what sub, or subs he had. Yes, the bass on that thing literally made the water jump up all around the hull of the boat! It made my boat actually vibrate. I just thought my 10" wet sounds sub would rock till I hear that.

    Sent from my moto z4 using Tapatalk
    SE and SA run dual 12” JL subs, SL has dual 10” JL subs.


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

  8. #8
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    Mar 2021
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    South Georgia
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    Quote Originally Posted by larry_arizona View Post
    SE and SA run dual 12” JL subs, SL has dual 10” JL subs.


    Sent from my iPhone using Tapatalk
    That explains a lot right there! How big are the JL 12 boxes? Or are they free air?

    Sent from my moto z4 using Tapatalk
    2021 Moomba Makai
    Black Cherry Metal Flake & Fire Red
    Nibral OJ 15.5x15 Altitude/Wake prop w/1.76 trans v-drive
    Wet Sounds Rev 8's, 10's, & sub

  9. #9
    Join Date
    May 2018
    Posts
    3,748

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    Quote Originally Posted by HFarr View Post
    That explains a lot right there! How big are the JL 12 boxes? Or are they free air?

    Sent from my moto z4 using Tapatalk
    The SE and SA have boxes molded into the interior fiberglass.


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

  10. #10
    Join Date
    Aug 2020
    Location
    Middle Tennessee
    Posts
    548

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    The JL's are running free air. there's no actual enclosure behind the glass molded in just free air into the hull.
    2020 Supra SA

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