Question about Jensen LXA300 Car Audio Amplifier

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I don't know where to hook up the wires running from subs

I don't know which place to hook up the wires from the subs on my LXA300 watt amp. There are 4 places (r+, r-, l+, l-) and only 2 wires from the subs?

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How are the speakers hooked up in the box?? they are probably In series. trace the wires in the box and let me know how they are conected.

Posted on Jul 30, 2009

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The r+ and r- are for the right sub and the l+ and l- are for the left sub

Posted on Jun 14, 2009

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1 Answer

Have 8ohm svc how do you wire to jensen lxa300 watt amp


DON'T you'll kill the amp.
Cars use 4 ohms or sometimes 2 with dual voice coil subs.

Apr 16, 2017 | Jensen Car Audio & Video

1 Answer

Does anybody know what watt this is. it's sosed to be a 2400 watt and why does it have 2 ports on each side to hook up speaker wire And what's the best way to run it with a 800 watt Rockford fosgate


dual voice coil subs hook up mono on amp, from amp - from right side + from left side of amp run to sub n then jumper wires from one side of sub to the other side goes negative jumps on positive and positive jumps on negative

Apr 03, 2015 | Rockford Fosgate Car Audio & Video

1 Answer

I was given a subwoofer and box but do not know where to go from here in terms of hooking it up in my car. It is a Rockford fosgate punch p112s4.


First youll need an amp. Depending on what size the sub is a 500 watt rms amp can hold up to about a 300 watt kicker. If your looking for something bigger u can get a 1000 watt amp and hook up two 300 watt kickers. To hook up the amp youll need a car amp power cable, power control cable, speaker wire, amd a car amp ground wire. They usually sell kits that run aboyt 40 bucks. The power cable goes to the batter as well as the ground cable. The power control cable goes to the back of the head unit. (You will kost likely need a more modern headunit if urs is stock). Once this is done put the sub in the box (i recomend super glue because metal nails take away from the bass). Put the speaker wire to the speaker positive on left negative on right. Same with the amp. And now ur bumpin ;)

May 06, 2013 | Car Audio & Video

1 Answer

Wiring a crossfire vr602 at 4ohm


OK what you are saying now is that your speakers are dual voice coil; models? 4 Ohms per Coil? I have always used single 4 Ohm Voice ciol speakers since amps are mostly based on 4 Ohm outputs. but you can get 8 Ohm dual voice coil subs also. With 8 Ohms per coil you can get 4 Ohms if you parallel the wires. What is best for you and will get you the most stable power and still will be in the specs of that amp is to run the amp in BRIDGED MODE running each subs voice coils in series with each other then run those 2 subs in parallel to the amplifier giving it a 4 Ohm load. So, your will have two sets of wires from your amp 1 for each speaker. Then you will take a short piece of wire that will connect the + to the - of each voice coil then hook up the wires from your amp to each sub What it will be is 4 Ohms + 4 Ohms = 8 Ohms per speaker the 8 Ohms in parallel each speaker to the Bridged amp output using just the + from one channel and the - from the other will give you a total of 4 ohms and power out put of 600 Watts so that ends up being 150 watts per voice coil or 300 watts each speaker
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Apr 04, 2013 | Crossfire VR602 Car Audio Amplifier

1 Answer

I have 2 10" Kicker Comp Subs


That amplifier is only rated at 150 watts at 4 ohms, or 300 watts at 2 ohms. Not a very strong amp to run 2 kicker comps. My guess is you have the subs wired wrong for your application. There are 2 types of subs, one is a dual 4 ohm, and one is a dual 2 ohm. Most people bridge these coils together and that cuts your ohms in half. For example. Lets say you have the 10cvr104 subs. Thats the dual 4 ohm sub. You wire the coils together in parallel, now its a 2 ohm sub. You have 2 of these subs running off of your amp, if they are hooked up in parallel, now you have a 1 ohm load, out of the amplifiers normal operation. Your amplifiers internals heat up really quick and there is a thermal overload, putting your amplifier into circuit protection mode. My suggestion for wiring your subs is as follows: for each speaker, wire the coils together like this- positive coil1 to negative coil 2 and negative coil 1 to positive coil 2. That is called running in series, and doubles your ohm load. Next, we need to wire the speakers together properly to hook up to your amplifier. For this, since the coils are hooked together, you only need to use one set of terminals from each sub. And take the positive from sub 1 and hook it to positive of amp. Take negative sub 1 and hook it to positive of sub 2. Take negative of sub 2 and hook it to negative of amp.

Aug 30, 2012 | Rockford Fosgate Punch 301M Car Audio...

1 Answer

My protect light is flashing from red to the green power light it makes a thud noise in the sub when it flashes i have checked my ground and power it all seems to be fine does any1 have a idea on what...


You either have a short in your wiring (between the amp and the sub) or have wired the sub(s) at too low of a resistance. If for example you have wired it to 2 ohms, when the amp can only support a 4ohm minimum, the protect light would come on once you tried to turn up the volume a bit. This may happen if you have lost the wiring off one of your subs or one of the voice coils, thereby affecting the total resistance.

Mar 06, 2011 | Jensen LXA300 Car Audio Amplifier

1 Answer

Can i hook up a powered 12'sub to a Pheonix Gold xs2500 amp without blowing the speaker


First I hope you remove the speaker wires from the speaker that come from the built in amplifire. You cannot hook the powered sub to the amp without doing that first. Then all you need to do is run speaker wire from the sub out of the box to the amp. In no way can you hook up any other part of the powered sub, but the sub itself, to the amp. If you know the wattage of the sub and the ohms then wire it to the amp correctly. Your phoenix amp will put out 125 watts x 2 at 4 ohms and 250 watts x 2 at 2 ohms and 500 watts x 1 at 4 ohms bridged. Remember, only the sub itself in the sub enclosure can be connected to the amp. Hope this helped you. Let me know if you need more help.

Aug 23, 2009 | Phoenix Gold XS2300 Car Audio Amplifier

3 Answers

Adjusting wattage on kenwood kac 9103 class D mono amp


That amplifier is 900W x 1 @ 2ohms.
If your subs are 4ohm SVC wired Parallel, resulting in a 2 ohm load, each sub will only see 1/2 of the rated power. (450W ea.)
Your gain (sensitivity) setting should be between 75% and 85% to max. You will be fine.

Jan 02, 2009 | Kenwood KAC-9103D Car Audio Amplifier

1 Answer

Subwoofer to receiver hookup


In general, there are two ways to hook up your sub-woofer. First using the high level outputs from your receiver ( speaker output from the front R & L speaker terminals ) run a set of wires from the outputs to the speaker inputs on the sub-woofer, you do this in concert with the speaker wires going to the front R & L speakers which you then attach to the R & L speaker outputs on the sub woofer amp. Note that the sub woofer doesn't power your front speakers, the connections from the sub amp are just a pass through connection where the signal needed by the sub is parasitically taken from the inputs.
Second is via a low level output from your receiver / amp to the low level input on your sub amp. This is normally done via a RCA type of patch cable and connected to the sub woofer RCA jack on the rear of the source receiver or amp, Next run the patch cord to the sub amp an into the RCA jack input. IF you have a right and left input, use the Right input.

john

Aug 18, 2008 | Audio Players & Recorders

1 Answer

My Amp


sounds like the sub that throws it into protect mode is cross wired pull sub out and make sure they are wired right make sure ground from sub goes to ground on box and do same for power wire

Jun 11, 2008 | Sony Xplod Car Audio Amplifier XM-DS1300P5...

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