When I plug in my red and white connectors in the amp, the subs start to pulse and the connectors are sensitive whenever I touch them. One guy said that the shield ground could be broken
Yes it could be your ground..check your negative from the amp is going to the car body and not the battery. also try a new set of rca leads from the stereo to the amp..also check that your stereo audio out voltage is the correct voltage for the amp inputs.
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are they subs or door speakers? if they are subs, then speakers ohm load is too low for the amp. If they are speakers then again the ohm load is too low or one the speakers are blown are shorting out against the door. sometimes when mouting speakers in the door, the terminals are accidentally touching some metal inside the door.
This means it is blown. Whenever the power light flashes on any amp it is blown or something else is wrong with it. Most likely its blown. You can blow am amp by hooking it up to a powerful sub and blaring it, or just overheating it. Hope this helps. This can usually be fixed as well
The 3 RCA type connectors (red, white,black) are all pre-amp outputs, not inputs. (Cut the girl some slack) the black is for the subwoofer. The red and white are pre-amp outputs for either up converting from a 5.1 to a 7.1 system, or for running a X.2 (2 subwoofers L &R). If you are running 2 subs, be sure on one of them to reverse the polarity.
Your unit should have 2 plugs in the back...one for the audio and power wires to connect to your factory connections and the other plug is just RCA connections for your video, subs and front speakers. If you have a 4 channel amp and a amp for your subs, you will have to split the 4 channel amp down to 2 and run them to your front RCA connections. Subs will connect to the sub connections. If yours are not listed then you may have to track down a wiring diagram. Hope this helps.
The 1200w rated for the amp is usually an absolute maximum output, the rated output is more likely about a quarter of this figure (300w) I think for the subs you are looking at, you would be better off with a more powerful amp
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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