Quote:
Originally posted by mg2166
Jack: Is an amp mandatory, or can I get by without one? Is the amp necessary just too get the volume high enough to hear over the Cobra?
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The amp is going to be necessary. You're going to need extra driving power, and if you are pushing sound near the top of the range of most stereos, you've got heavy distortion. Distortion kills speakers.
Also, stereos and amps are rated differently, in general. Decent amps (as in anything not utter crap) are rated for continuous power output. Stereos are rated for max power output.
A very good way to see how good the speakers will sound at volume is to listen to your head unit/amp/speaker combination at the stereo store with the sound turned up and ear plugs/shooting ear protectors on. Remember that LOTS of the sound energy is going to get lost long before it reaches your ears.