Couple things to be addressed.
The monsoon system is a great system for what it is, a mid-tier, mid-powered Amp. If you're an Audiophile or music snob, its not the greatest, but far and away better than stock.
That said some very important things a lot of people don't know:
1) It is a 2 Ohm system. The majority of automotive audio is 4 ohm.
2) It is a component based system, not Coaxial. This means the Woofer and tweeter get separate signals.
Many people when replacing speakers do not put as much research as necessary into this. The rear deck especially. When replacing rear speakers many notice that it is a four pronged plug, this is due to the signal split mentioned earlier. The correct way to handle this is using an aftermarket component speaker set. They tend to be more expensive as they come with an external crossover (note: don't use it). When installing the new speakers, either a wiring diagram is needed or basic problem solving. You don't want to wire woofer Input to tweeters or vice-versa.
When selecting speakers, 2 ohm is advised on the stock system as that is what the factory used. Changing to a 4ohm speaker set doesn't damage the system, but effectively halves your output.
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