Right off the bat the 808 is already clipping. It sounds like there are more than one 808 being layered, that or everything has lowend. Please experiment with the Curve EQ, under masting in the tools section of the devices. Sometimes in order to get something loud, you got to make it as clean as you can. In this case, you're trying blast it, making it louder, without the step of trying to make it cleaner. However, the pad in the background could be turned up louder, since it's lacking