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Originally Posted by terrynham
from what i can figure, Toyota says the stock headunit does 140W, and looking at the speakers it says 12W on the base...(whether these figures are true or not is beyond me  )
so with changing the speakers, is it a plug and play sort of thing? or do i need to start thinking about amps and all that stuff? because id rather not get into that if at all possible. |
The 140W rating is probably the total of the peak wattage values. You have 4 channels so that's about 35W x 4 peak. Peak wattage is typically a bit more than twice RMS so 12W may not be very far off from the RMS output of each channel from the head unit. I don't know the output of the stock stereo, but I would suspect it's somewhere between 12-18W x 4 RMS.
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Originally Posted by terrynham
but, if i put 10W of power into each of those speakers, will the loudness of each be more or less the same? (even though their maximum outputs are different)
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It would depend on the sensitivity of the speakers but I don't have any specs to say for certain. I would not expect the aftermarket speakers to be significantly louder with the same wattage. However, the sound quality will be improved.
