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Question regarding Tacoma jbl system

Discussion in '3rd Gen. Tacomas (2016-2023)' started by dlau73, Aug 3, 2025.

  1. Aug 3, 2025 at 5:25 AM
    #1
    dlau73

    dlau73 [OP] Member

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    Wassup fellas, I'm new here and really need some help. After scrolling through previous posts, I couldn't find information on replacing my JBL system. I have a 2021 Tacoma Off-Road with the JBL upgrade, and I want to replace the entire system (door speakers, amp, sub, and head unit). I wanna keep features like the 360 view cam and steering wheel controls, I understand I need a Maestro-compatible head unit. The Kenwood DMX709S was quoted at $1,060, including the necessary Maestro harnesses. My question is whether changing the head unit allows me to remove the factory JBL amp and connect the doors, sub, and amps directly to the new head unit?
     
  2. Aug 3, 2025 at 6:35 AM
    #2
    dlau73

    dlau73 [OP] Member

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    I apologize for my lack of terms, but I don’t quite understand what you are suggesting. Again I apologize I’m new to the fourms
     
  3. Aug 3, 2025 at 6:39 AM
    #3
    JasonLee

    JasonLee Hello? I'm a truck.

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  4. Aug 3, 2025 at 6:42 AM
    #4
    dlau73

    dlau73 [OP] Member

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  5. Aug 3, 2025 at 6:44 AM
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    JasonLee

    JasonLee Hello? I'm a truck.

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    FOR OWNERS WITH JBL AUDIO SYSTEMS ONLY (not base audio). The systems on this page are applicable only to vehicles WITH factory JBL audio.”
     
    K9tacoma, dlau73[OP] and BabyBilly like this.
  6. Aug 3, 2025 at 6:47 AM
    #6
    dlau73

    dlau73 [OP] Member

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    I’ll check it out
     
  7. Aug 3, 2025 at 6:55 AM
    #7
    dlau73

    dlau73 [OP] Member

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    Yeah don’t think I’ll go that route it’s $2800 without speaker upgrades and $5,200 with speaker upgrades. Really just wanna know if I can upgrade my head unit, delete jbl system (amp, head unit, speakers) and add my own 4 channel amp and sub amp with new speakers and subs eventually.
     
  8. Aug 3, 2025 at 4:27 PM
    #8
    sgp250r

    sgp250r New Member

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    If you're upgrading your head unit then using aftermarket audio (amps/speakers/sub) shouldn't be a problem, most head units are very limited on power output so you'll want to run a separate amp for the speakers and definitely one for the subwoofer.
     
  9. Aug 3, 2025 at 4:28 PM
    #9
    dlau73

    dlau73 [OP] Member

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    sweet thank you brother I appreciate you!
     
  10. Aug 3, 2025 at 4:28 PM
    #10
    dlau73

    dlau73 [OP] Member

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    By upgrading the head unit am I able to remove the jbl amp or does it stay?
     
  11. Aug 3, 2025 at 4:31 PM
    #11
    sgp250r

    sgp250r New Member

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    Yes you should be able to remove the amplifier as you'll be "bypassing" it with the new aftermarket head unit and amplifiers so it will be useless.
     
  12. Aug 3, 2025 at 4:32 PM
    #12
    dlau73

    dlau73 [OP] Member

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    thank you mate!
     
  13. Aug 3, 2025 at 5:41 PM
    #13
    soundman98

    soundman98 Well-Known Member

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    The JBL system has individual wires ran to every single speaker installed.

    As long as you plan to replace the system in its entirety, as well as run new wire, there won't be any problems.

    The primary proprietary thing everyone needs to work around is the fact that the amp and head unit speak a specific language to each other. As long as you remove both, you eliminate the "language" in the system.
     
    musicisevil likes this.
  14. Aug 3, 2025 at 6:23 PM
    #14
    dlau73

    dlau73 [OP] Member

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    yes I plan on removing the jbl system as a whole. Now with that being said with the correct maestro harnesses will I be able to keep my 360 cam, steering wheel controls etc?
     
  15. Aug 3, 2025 at 8:08 PM
    #15
    soundman98

    soundman98 Well-Known Member

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    I know maestro for sure does steering wheel controls. I don't know for sure about the 360 camera compatibility
     
  16. Aug 3, 2025 at 8:19 PM
    #16
    victorneyra

    victorneyra Active Member

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  17. Aug 4, 2025 at 6:59 PM
    #17
    Perfuseme

    Perfuseme Well-Known Member

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    Wait…if you remove the JBL head unit, amp, and speakers you have to run new speaker wire? There isn’t a pigtail that adapts to any new speaker and to the new head unit?

    can you keep the factory JBl head and amp and add new speakers?

    I have the JBL and it frankly sounds awful.
     
  18. Aug 5, 2025 at 6:37 PM
    #18
    soundman98

    soundman98 Well-Known Member

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    not really.

    the jbl head unit talks directly to the jbl amp via a proprietary signal.

    the jbl amp is where all the 'magic' happens. it takes the audio signal from the head unit, as well as fade/balance/eq settings, and applies them. from there, the amp filters the audio signal, and sends it off to individual speakers.

    changing the speakers doesn't change the filtering that the amp does. the amp also needs 2 ohm speakers for the output level. standard 4 ohm speakers will be quieter.

    so to get better sound, the amp and speakers need to be changed. but then a specialty adapter that can decipher the head unit signal is needed. and those aren't all that far off of the cost of a replacement head unit.

    far better to gut the entire system and start over than trying to maintain any part of it.
     
  19. Aug 6, 2025 at 12:47 AM
    #19
    dlau73

    dlau73 [OP] Member

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    Yup I agree changing out the system as a whole would be the best bet. I can’t wait to change out my jbl system. I’m planning on getting the kenwood excelon dmx709s
     
  20. Aug 6, 2025 at 9:29 AM
    #20
    Perfuseme

    Perfuseme Well-Known Member

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    Does it require new wiring or just some pigtails. I don’t mind installing all the speakers and letting audio guy do the head unit and amp stuff but I’m not I’m not in the mood to run new wire.

    it’s impressive that it sounds so bad given the complexity of the interdependent parts! They have really made it more and more difficult in every aspect to modify a car.
     

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