Aftermarket sub
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Thread: Aftermarket sub

  1. #1
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    Aftermarket sub

    I know it's probably been posted many times over, but I'm looking to add a sub to mine. I'm good with all the wiring and such but was curious as to whether the base audio setup has a factory ran sub output wiring and can I tap into that while still using stock head unit? Basically, is there a wire ran that will provide a signal or do I have to tap into rear speakers for it? Any info is appreciated.

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  3. #2
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    The base stereo does not. I chose to tap into the rear speakers at the back of radio. Do a search for "leonar40's subwoofer installation" for a full write-up and pictures of how I did my install.

  4. #3
    Junior Member LouMinoti's Avatar
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    Using the factory deck but I let a professional wire it 🏾
    Attached Thumbnails Attached Thumbnails Aftermarket sub-58eaa13c-42d0-4106-8da0-346674a0d643_1555023195569.jpg  

  5. #4
    Junior Member LouMinoti's Avatar
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    Just take it to a professional it wasn’t really expensive at all they wired and installed a decent box for a 10 inch sub so after it was all wired I swapped it out and got a bigger box and a 15 in Cerwin Vega
    Attached Thumbnails Attached Thumbnails Aftermarket sub-ee321d55-8b09-45d3-af0a-68c3b5f08e20_1555071818595.jpg  

  6. #5
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    I attempted to wire my sub in my premium sound 2013 with the subwoofer wiring, but I came to find out the crossover on the factory sub is pretty bad. It only played around 30-50hz. I tapped into my front doors instead and sounds much better since I believe they are getting a full range signal.

  7. #6
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    Hi guys. First post over here. I have a 2012 Lexus CT200h with Premium Sound (10 speakers) and decided to install an after market powered subwoofer. Following @leonar40 amazing post about his subwoofer installation, was very easy to figure everything I needed. Thanks @leonar40 for your great contribution. I'm OK with the sound from the speakers but I feel I need a bit more bass. I have on the way a JL Audio ACS110LG-TW1 + JL Audio RBC-1 Remote + Audio Control LC2i + Audio Control ACR-1 Remote + Wires and amp kit. I'm planning on getting the signal for the subwoofer into the LC2i from the OEM stock amplifier rear speakers (RR + RL) as they are full range according to the Workshop Manual. On the Premium System, the amp does not have 12V remote but the JL Audio subwoofer and the LC2i have AUTO DC Offset ON function so no need to run 12V remote wire. Because I need to take the passenger seat out of the car to get access to the OEM amp, I need to unplug the negative side of the battery as instructed in the workshop manual. The workshop manual states that after unplugging the negative from the aux 12V battery, "some systems need to be initialized after the cable is reconnected", including the "ISC learning". Is this something that has to be performed on the dealership or the system would do it itself during a few miles after the system is READY and the car is running?
    Last edited by enricoclaudio; 04-22-2019 at 05:54 PM.

  8. #7
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    Glad the writeup helped! You can unhook the battery without the dealer needing to do anything. You'll lose the clock and some settings. Also the engine might run weird for a couple minutes until the computer figures out the idle again, no big deal though.

  9. #8
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    Quote Originally Posted by leonar40 View Post
    Glad the writeup helped! You can unhook the battery without the dealer needing to do anything. You'll lose the clock and some settings. Also the engine might run weird for a couple minutes until the computer figures out the idle again, no big deal though.
    I already did the full speakers and subwoofer upgrade. Opened a new thread with photos and everything. Just waiting for moderators to approve it. Your speakers and subwoofer installation thread was very helpful. I did a new approach and discovered a few new things regarding the Premium Sound that I fully explained in my thread.

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