RX - 2nd Gen (2004-2009) Discussion topics related to the 2004 -2009 RX330, RX350 and RX400H models

Help instaling subs and amp

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Old 01-19-17, 05:34 PM
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gflexus400
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Default Help instaling subs and amp

I want to install some subswoofers in my girlfriends Lexus. She has the 400h all stock. I do not plan to install another headunit but I do plan to put in a mother amp and subs probably just 1 10inch. Any help on where to wire the remote wire and the rca cables?
Old 01-19-17, 06:01 PM
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Lexuswiz
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Since you will be using the stock headunit there will be no factory RCA's. You need an LOC that will tap the signal lines between the radio and amp and then that will provide your RCA output signals. Remote turn on can be found on the amp itself or any cigarette lighter/outlet nearby.
Old 01-19-17, 06:04 PM
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kiwi300
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Originally Posted by gflexus400
I want to install some subswoofers in my girlfriends Lexus. She has the 400h all stock. I do not plan to install another headunit but I do plan to put in a mother amp and subs probably just 1 10inch. Any help on where to wire the remote wire and the rca cables?
What kind of sub are you trying to install ?
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