Mitsubishi Lancer and Lancer Sportback Newer to the United States, the Lancer line offers a sporty compact sedan, with all of the fine styling of the performance minded Evolution.

Adding a sub to the 09 Lancer

Old 05-06-2009, 05:06 PM
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Join Date: May 2009
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Default Adding a sub to the 09 Lancer

Just got a 09 Lancer GT that come with the Fosgate system. I have a really good sub and sub-amp left over from last car. I am wondering how I can wire the sub-amp to the fosgate. Tried to search for FSM but no luck. Is there any connection in the trunk that I can use instead of taking out the head unit from the dash?

Old 05-10-2009, 09:31 PM
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Join Date: Mar 2009
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If you are going to leave the head unit as is AND the Fosgate "AMP" under the driver seat then you will have to get pro help I dont think you can keep the stock amp and piggyback another amp to it. The way I did it was eliminate Fosgate "AMP" use a JL-Audio Cleansweep to eliminate the sound processing of the head unit THEN you can use your amp with new sub. Also REMOVE the old sub ASAP because it is a 1 ohm sub and it will BLOW rather quickly when powered by new amp. Trust me..hehe.
Old 05-11-2009, 04:17 PM
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Thanks for the reply. That Fosgate amp must be quite an amp since it can drive the 1 ohm sub. I am hoping the amp is hiding in the trunk so that I can split the RCA signal from the head-unit by a Y-splitter to the Fosgate amp and the extra amp, running the stock amp/sub and the addition amp/sub in parallel.
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