What watt output and number of channels amplifier do i need for 2 400watt RMS subwoofers with dual voice coils at 4 ohms?
by 
Anonymous
ANSWERS: 2
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you could get 2 amps that are 1 channel each at 400 watt rms each. here is a website to give you details on how to wire them up to your amp http://www.a1bigaudio.com/speakerimpedance.htm
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In this case I would get at least a 1000W, you want your amp to power your speakers without draining it. Then the amp should at least take your lower resistance which is 1 ohm if you hook it all up in parallel.
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