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It's working, and they are loud. When I put the shield down on my full face, it almost get louder. I think those lower speakers come in under the helmet. I may have touched around 95 on the way in, and never took the volume above 32. As everyone said, the faster you go, the less you hear of the lower freqs. Clear as day though at 95, with room to turn it up.
I have the fairings set as Mmats 601.4s and dx35t's, both running off a single NVX VAD2M. The lowers are Hertz SV165, running off their own NVX VAD2M. The rears are Hertz 200L running bridged off all 4 channels of a Stinger 700.4. If I were to do it again...and I'm not, I would have switched the Stinger for the SD 600.1, and had a smaller, fan cooled amp running the rears.
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