Quote:
Originally Posted by GP740iM
Looks simple but I know sounds amazing. I had (2) 12.5" w7s back in the day. I think I'm going the same route as you.
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It is a really good sounding combo. The most critical piece that i recommend to everyone is the AUDIOCONTROL line output converter. This is what will take the signal from the factory amplifier and convert it to a useable signal for your sub amplifier of choice.
What makes the Audio Control piece unique is that it can handle 400 watts rms of input per channel totalling 800 watts between 2 channels. Critical as the BMW equipped amplifier is very powerful and will distort most adapters at high volumes. Keep the bass dropping.