The Monsoon amp likely has a crossover network built in, so your best bet will likely be the second option you listed. If you grab one of the speakers as signal and it happens to be crossed over, may not be any signal under 100 or even 120hz.
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\'05 Slate Blue Sut w/ Magnusun, JBA headers, custom exhaust, 22\" MC2 RT5 wheels, Pioneer AVIC Z1 nav, Passport SRX, Vizualogic A1000 dual, bi xenons, fog xenons, dual optimas, and just gettin\' started!
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