Question regarding appropriate amp to push a Rockford P2D2

SouthArk370Z

Don't get too obsessed with matching speaker and amplifier watts. Unless your speakers sound crappy at low volume, "underdriving" them just means they're not getting as loud as possible. Bass/sub drivers are, as a rule-of-thumb, more forgiving of high-power transients than tweeter and mid-ranges, so if your amp has twice the power your subs are rated for, it shouldn't be a problem unless you keep it cranked all the way up. Just make sure you don't over-stress the surrounds or bottom out the coil.

Also keep in mind that you will never get true, audiophile-grade, high-fidelity sound in a car, especially one as small as a 370Z. But it doesn't really matter since everybody's perception of sound is different. Make it sound they way you like.

Edit:
BTW, in an audio system, the transducers will have a much greater effect on fidelity than the amplifiers. Most modern amps do a very good job, so, unless you're using a microphone or other physical input, spend most of your effort and money on speakers. The right enclosure makes a big difference the lower the frequency the speaker puts out, so choose your sub enclosure carefully.

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