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  • TSXXXX ·
    Hey man so there really isn't a super easy way to do this *the right way*

    Some people will tell you to run a LOC from the rear 6x9s and then run your sub/amp from that but the problem with that is the factory TSX amp only sends those rear deck 6x9s a certain frequency range, and this will NOT sound very good when trying to apply that range to subs.

    What I did: removed the factory amp and spliced the factory amp INPUT harness into a rockford fosgate line driver, then RCAs back to my amps. Since I replaced my speakers and did a 4 channel amp as well this was the best way.

    What I would do if I were you - leave the factory amp for your 4 woofers and 2 front tweeters, take out the rear 6x9s, and splice into the factory amp INPUT harness for the front L and R channels into a line driver, and then RCAs back to your sub amp.

    Hope that makes sense.
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