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If you have a sub woofer with 400 watts continuous power and 800 watts peak power do you need a 400 watt amp or a 800 watt amp?
Wiki User
∙ 16y ago
well, your lookin at RMS when it comes to speakers and amps, if you bought a 800 watt amp, you would be looking at 400 RMS just as you do with your speakers, i would recommend a 1600 watt amp, just for the fact that you always want a little play room with your amp, this way you wont blow the amp, (amps are more expensive than speakers), and if you decide that you want to get bigger speakers, you will not have to replace the amp. But all in all, i would say anywhere from 1200 to 1600 would do just fine for your sub..-Shocker
Wiki User
∙ 16y ago
Wiki User
∙ 12y ago400 Watts continuous is rated output of the subwoofer at continuous use, ie. the amplifier inside can produce this power for extended periods. It can briefly supply 800 watts of power for momentary output, ie. for the kick of a drum, but cannot produce this level of power for sustained output.
Wiki User
∙ 14y agoYes . So long as the watt difference is not over 300~ ish your sub will be safe from blowing.
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