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what wattage are the subs and amp? if your subs are more wattage than your amp, your amp will blow fuses as cant handle the output to your subs. for example. you have 2 500 watt subs and a 300 watt amp, that is no good as amp isnt powerful enough. if you have 2 500 watt subs you need at least a 1200 watt amp to power them both. 200 watt more than the combined wattage of subs as amps should never be turned up to max as they tend to blow and overheat more quickly. 80% volume on amps is reccomended by installers and manufactures.
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.
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....
MAKE SURE YOU HAVE A SOLID, STRONG GROUND CONNECTION BEFORE ANYTHING ELSE!!!!!
Make sure you are using the proper gauge wiring for your amp.
Is the amp set up in bridged mode? What is the impedance (Ohms) of the Rockford Fosgate 12? If the impedance of the speaker is different from the impedance for the amp in bridged mode, it WILL get hot and cut off. Also, if you overdrive the amp, the same will happen.
The amp is stable :
75 watts RMS x 4 channels at 4 ohms
100 watts RMS x 4 channels at 2 ohms
200 watts RMS x 2 channels bridged at 4 ohms
300 peak watts x 2 channels bridged at 4 ohms
Also, what model is the subwoofer? What are the specs? Is it single or dual voice coil?
You can most likely mount a cooling fan on the amp and have it turn on using the remote sensor wire. If the amp still cuts out, you're overdriving it.
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.
Well one problem is you might need a smaller amp depending on how many speakers you have, 1200 watts is way overpowering for 300watt max speakers and could possibly blow them and even catch them on fire!!!! But everything else is compatable because all of your epuipment is of a newer products but if you dont have 4 guage wires or anything else make sure you get them heres a list: 4 gauge wires for power and ground, REM wire "blue is the normal color" RCA jacks, A compacitor, fuse for battery to amp to keep system from blowing up, 8 gauge speaker wire or even 12 guage to hook up from the amp to the speakers, That should be the common things you need to have a good thumpin system!!!!
The answer is yes, any amount of amplifiers can be hooked up to a cap. Obviously the more amps you hook up to it the less you are going to nodice the difference with the same amout of farads. The only thing that I am worried about is the wiring from your battery to your cap. As long as you have a decent gauge wire running back you should have no problem. And for this instance I would recommend 0 guage, you might be able to get away with 4 but I would highly recommend 0. Over all I would recommend 0 guage on all installs unless you are going small and don't plan on upgrading. I hope I could help
You cannot parallel two subs AND run them on the Bridge. You must have at LEAST a 4 ohm load on the bridge, and 2 4 ohm subs in parallel equals TWO OHMS. BAD!!! Move each sub to it's own channel or your amp will soon fry.
Disconnect the speaker wires from the amplifier and see if it still goes into protection mode. If it still goes into protect with the speakers disconnected, there's a problem with the amp; if not, you may have a blown speaker or a shorted speaker wire.