Question about Jensen BP212 Car Subwoofer

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Subs not hitting

Everything is hooked up to the sub box, amp, and battery. The amp is on and the lights on the sub box are lighting up to the beat, but the subs arent hitting. What could be the problem?

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Remote wire turning on amplifier?
Ground for amplifier?
Gain improperly set?
Radio output crossed over above tuning freq. of enclosure?
Just suggestions. Not much info to go by.

Posted on Dec 21, 2008

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Amp light is green getting a base like heart beat nothing else fuses are good


The only thing I'm wondering is if you shorted out the RCAs somehow. Try switching the RCA's to another output on the back of the deck, if you have more than one set.

If that's not it...you will have to add pieces of the system one by one, starting at the deck, to see if you can troubleshoot the problem. Very Odd.

Good Luck

Dec 07, 2013 | Autotek Car Audio & Video

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My subs/amp are not working


when you car is running, it charges the battery somewhat. So the voltage problem is not a problem. The red light means the amp is going into ''Protect Mode". This usually happens when something is wrong with the amp. Usually the amp is getting hot. Check all of you connectiong and check the final impedance of the subs. Make sure the amp can handle the impedance of the subs. If you need anymore help, message me.

Feb 12, 2010 | Kenwood Excelon KAC-X621 Car Audio...

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Why doesnt my jl 1000.1 pick up my 13.5w7


ohm load check the way you wired it if the amp can handle 1ohm make the sub 1 ohm dule 2 ohm subs hook the neg from one coil to the pos on the other then take the empty neg hook it bridged to the neg on the amp and empty pos to the pos on the amp also check to see if you hooked it up bacwards subs dont hit hard when they are beating in and not out

Feb 06, 2010 | Jl Audio 13W7 Car Subwoofer

1 Answer

Amp burned out but fuses still good?


this is caused by inproper wiring from the speakers/subs to the amplifier.. an amp will still put out power to subs and speakers when it's wired improperly but it won't last for very long doing it... 6 months is longer than usual....

Dec 05, 2009 | MA Audio M1900XE Car Amp

1 Answer

The subs aren't pushing out bass.


Hello crobins2,

The Kenwood KAC-6202 2-channel is only rated for 60 watts RMS per channel into a 4 ohm load. That just isn't much power for a pair of 12" subs. Even the bridged output is only 200 watts into 4 ohms, still at the low end for a sub, much less to share between a pair of subs.

Assuming that your subs are 4 ohm, you could probably get more sound by driving just one of them on the bridged terminals. But to get the best power with what you have, connect one sub to each channel, set the filter switch to the far right (LPF), set the operation switch to stereo (both channels driven), set the filter frequency (Hz) to 100 or lower, and adjust the input sensitivity as far clockwise as possible without causing distortion.

But, to do the subs justice, you really need at least 300-400 watts to share between them.

Hope this helps.

Sep 27, 2009 | Kenwood KAC-6202 Car Audio Amplifier

1 Answer

Sub cutting out


Check the 12v wire running from the battery to the amplifier. Also the sony explode is a garbage subwoofer compared to the Alpine.. sony (they say 1200w max but its more like 100w to power the thing) Amp could be going. Is the amplifier hot when running. If there is a burnt smell comming from the amp, its the amplifier

Mar 27, 2009 | Alpine Type-R SWR-1222D Car Subwoofer

2 Answers

Blue illumination doesnt work


unscrew the plexiglass and try to get to the light and mess with it to see if it shook something loose, if that doesnt work, you might have to buy a new light....hope this helps!!

Mar 21, 2009 | JC Whitney - Dual Illuminite 12" Bandpass...

3 Answers

KAC-9102d no sound, Amp powers on but no sound to the subs.


If the sub isn't working, you won't get a pop. All you need is a small speaker. Don't need a sub, you just want to test the sound. I recently blew 2 subs, no smoke, no smell, no sign of being blown. Absolutely nothing from the subs.... In the past my sub locked up. You can take your sub out of the box and hook the + and - to the battery to see if you can get the sub to pop there. I believe a small box will push a sub into a deep excursion to the center of the cone. I have 2 lanzar VW12D's that just quit. I hooked a 6 x 9 up to my amp and low and behold I had sound! Try that and see what you get...

Feb 07, 2009 | Kenwood KAC-9102D Car Audio Amplifier

1 Answer

Mtx 895 trouble


check your fuse up front first. some amps will turn the light on with only the remote wire (the 12 volt signal from the head unit). That may be your issue. If not you need to check your signal input. try hooking the rca's to a diffrent source, i.e. other radio your tv anything with Rca out put. If still you get nothing then pull your subs out and take a regular 9 volt battery and touch the leads to the positive and negative of the sub. Just for a moment though if the subs move when they come in contact with the charge from the battery then my last suggestion would be to take it to a store where you can have an authorized tech check out the equiptment. Good luck

Nov 19, 2007 | MTX Thunder 895 Car Audio Amplifier

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