The only thing hidden is 2 other amps lmao. Thanks a lot i'm still deciding if i wana do itCrutchfield.com has all the necessary adapters for it. I had the same questions for my Shaker 1000 and they had everything you need to hook up a new head unit. If you buy a head unit they ship it for free and include all the necessary install items for free and comes with directions. Not bad in my book haha.
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That Mach 1000 setup is kind of crazy looking haha. I don't think I've ever seen one to be honest. My Shaker1000 is all tucked away and hidden.