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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
Im kind of confused with what exactly your asking. Are you trying to run 3 subs off of an amp? If so, the RCA's should go to the front of the amp, and if your plugging 3 subs in to it, you need to have a 3+ channel amp. There is a way to hook it up differently though. I have 4 12" Hifonics subs running off a 2400 watt Nitro-BMW-486 amp. I just have two subs running to each of the two channels.
the amp you have will do the job depending on how may ohm you sub is and can you amp stable to handle low ohm's. you should also check your cabling to make sure its for about a 1500w amp so you dont lose any power
You need 1 thick ground cable ( usually brown)
you need 1 thick power cable ( same thickness and wire as ground usually red )
you should have 1 rem wire ( thin blue )
RCAs, 2 for sub, extra 2 for 2 speakers.
The rest I have no idea what they are.
You need speaker cables to sub or amp.
Some products use different colouring. Maybe the 9 pin connector is for head deck to speakers.
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.
The problem would be if you had it switched around. The 1200W subwoofer only means that it can handle 1200w of power the 1000w amp means that it can deliver 1000w of power. What you may have is an impedance mismatch. My question is what is the resistance rating on the sub woofer and what is the minimum resistance rating of the amplifier. These are actully the important issues at hand.
the rating of the subwoofer resistance in Ohms should never be lower then the minimum resistance rating on the amplifier. in fact the resistance rating on the amp should match the resistance rating on the subwoofer.