As a rule of thumb 5-6 watts per person
4000 watts on a 240 v system would be 4000/240 amps, 17 amps.
0.25 megawatts is 250,000 watts.
45 watts
.0001 watts
100 watt
On a 12-volt system 1.6 amps is 12x1.6 watts, 19.2 watts
300 Watts!
Philips 200 Watts 5.1 HT3021 !
Speakers are measured in Ohms not Watts. Watts is the amount of power you will be supplying to the speakers. In my 2009 Corolla the speakers can handle at least 400 Watts as this is what my OEM JBL system is pushing.
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4000 watts on a 240 v system would be 4000/240 amps, 17 amps.
You just have to divide the watts by the voltage to find the amps. For example 60 watts on a 120 v system would take ½ amp.
1540 watts
210,000,000 watts
100wats
132 watts
0.25 megawatts is 250,000 watts.