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Old 01-19-2013, 05:41 PM   #5
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Join Date: Dec 2008
Location: Chicago
Posts: 50
My Ride: 04 E46 M3
I don't see a 700/1v2 listed, but if this is slash v2 series amp (and you stil lhave the factory HU) you don't need to use a they accept balanced differential inputs, which is what the BMW factory deck uses.

I disconnected my rear speakers and used the signal from the HU to feed my sub amp, to allow the fader to work as kind of a bass volume knob~
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