Stock Head Unit / Sub question
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This is a discussion on Stock Head Unit / Sub question within the Electronics/Car Audio forums, part of the Interior Mods category; Ok, so i did some searching on this forum to try and find some answers, but came up with only ...

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    Registered User KzooWRX's Avatar
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    Stock Head Unit / Sub question

    Ok, so i did some searching on this forum to try and find some answers, but came up with only part of the info i hoped to find.

    I know that the stock head unit doesn't have preamp(line level) outputs, but what is used to feed the OEM subwoofer/amp combo? I was wondering if it'd be easiest to drive an amp for a subwoofer off of whatever feeds the stock sub/amp.
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    0db
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    Basically it looks like the Subaru sub simply pulls a signal off two of the speaker leads, probably front left and right.

    If you're doing your own, it's useful to buy an amp like the JBL BP300.1 or 600.1 because tehy have "speaker level" inputs on them already, so all you would need to do is connect a pair of speaker wires from the existing speaker leads to the amp. You could even use something like vampire taps to pull the signal off, since the amp can be added in parallel with the existing speakers.

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    Registered User bdoug's Avatar
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    Originally posted by 0db
    probably front left and right.


    It's tapped in the rear left and right
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