Quote:
Originally Posted by 3 Justin 3
Thanks for the info.
I figured 2 10"'s would be overkill. I am thinking to go 1 12", or find a really good 10".
The Cobalt has the 2 - 6 1/2" in the front and the rear has 2 - 6x9 speakers.
If I run the 4 speakers off the deck, what am I looking at for power, a 4x50 or higher?
As for the mono amp with the sub, how powerful you figure the amp should be (same for sub)?
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Deck power: look at RMS or "continuous" power ratings (RMS is not really continuous, but don't worry about that). Most brands advertise "max" power (which is what the 4x50 you referred to is) and make claims up to 4x70. 4x20 or 4x22 RMS is good. I haven't been head unit shopping for awhile, it may go higher now.
Amp/Sub power: most important thing is to match them correctly. The sub will have an RMS power range rating, and you want your amp's RMS power output to fall inside that range. My amp is 220 watts RMS and my sub's range is 200-500 watts RMS. Ideally you want to be on the higher side of that range for your amp power but in my config it's plenty.
Quality components are far more important than power ratings. Read lots of pro reviews.