CAR AUDIO Help (BOSS AUDIO)?

I have 3 1400 watt single voice coil (4 ohm) boss chaos extremes, 2 6x9s that add up to 500w they are 4 way speakers. And two 6.5 300w 3 way speakers. What kind of amp do I need and what Gage wire. Will I also need to upgrade my alternator. I have a 2006 honda accord vp

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