Question about Jensen's VM9312 Car DVD Player

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Sub output how do i hook up my sub preamp output to my amp?

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  • josh pennington
    josh pennington Aug 02, 2008

    yea but theres jus one connector.

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With RCA cables. Just plug into the preamp outputs on the back that are labeled for "subwoofer" and run them to your amp. In your on-screen EQ, you'll have a separate adjustment for the sub (which adjusts that set of preouts, without affecting the tone in the rest of the speakers).

Posted on Aug 01, 2008

  • Jeremy Dellow
    Jeremy Dellow Aug 02, 2008

    That's fine. Subs run in mono so you only need one feed for them. What your amp requires is two feeds though, or you'll only be able to run one channel. What you need is a Y-jack splitter. That will allow you to take two wires (red and white), and put them into a single connector, which will plug into the sub output on the back of your amp. Radio Shack, Walmart, and any place that sells electronics for car or home will have them.

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I have put dual 12 inch subs in my 1999 camaro and I hooked the power wire from the amp to the radicand the subs are working but not to full power. when I go on the radio to turn my subs on it wont let me...


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How do i hook up a amp to this player


This particular head unit has a built in amplifier for the cars speakers. Unfortunately it does not have preamp RCA outputs which means to use an external Line out convertor. These are easy to find on crutchfield.com, any local car audio shop, or best buy. Once you receive your LOC it will have instructions telling you how to connect it. Generally you will tap it into the speakers High and Low wires, a remote wire (ignition signal), and a ground connection. The RCAs will be supplied out of the back of this device ready to be hooked up to your amplifier.

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Im trying to hook up my subs to this headunit but i cant get the power from it to the amp. The amp is good and the subs are good


have you got a wiring kit for the amp? the amp needs atleast an 8 guage tho id suggest a 4 guage running from the batter to the amp with a 50 to 80 amp fuse atleast, then it needs to be ground to the chassis. a remote wire then needs to be run from the back of the headunit so that the amp only turns on when the ignition is on, then hook the wires from the amp to the sub.

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1 Answer

THERE IS NOT 2 RCA HOOK UPS FOR THE SUBS HOW KAN I HOOK UP MY AMP SO MY 2 12S WILL HIT


If there's only a single sub-out RCA cable, you have two options. The amp may have a manual switch that puts it in Mono mode, in which case you only use 1 of the 2 RCA jacks. The other option is to go get an RCA splitter. This will take your single sub-out cable and feed the exact same signal to both left/right of your amp. Either way, you get the same result. If the 1200W amp is for your sub(s) only, you should set the high-pass filter and subsonic filters to help your bass "hit harder" and cleaner.

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How to hook up my rem amp wire to this player it does not have


If by saying amp outputs you are refering to the RCA jacks on back of the head unit (Left and Right RCA jacks usually labeled FRONT, REAR, SUB, etc...) then you do have options even if your head unit doesn't provide a SUB channel.  These RCA jacks/amp outputs carry the signal (music or whatever) at a lower voltage (and is typically more like DC voltage as there is a ground reference which is 0 volts and signal rides on the positive voltage), providing a cleaner signal to the amp which does all the work.  The wires behind the amp that you connect directly to the speakers is typically amplified by the head unit itself and is a much higher voltage level and varies from negative to positive ( AC voltage.).

You could use the other channels (FRONT or REAR) if available, (a specific SUB amp output cuts all the higher frequencies out, passing just the lower subwofer frequencies inside the head unit).

if you want to strive for a more efficient use of your sub, use a low-pass/SUBwoffer filter (a crossover) in between the Head unit and amp, thus providing the amp with subwoffer signal, (or if for some odd reason you have SPEAKER level sub connections you can use a line output converter which will let you run RCA to the amp.)

Hope this helps u understand why I couldn't just say get a new stereo nor could I just say use splitters on available amp outs.

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This one Wire should be for the +. Try connecting the + to the Head Unit and - to a Common Ground. At the Worst, You will Blow the Amp Fuse if not Correct. The Lead from the Head Unit is Only an Off and On from the Ignition. Please Rate My Response! Thanks!

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Ahhhhhhhh


Be sure to check your gain outputs on your amp it may be the case.

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