In this short tutorial I'll show you how to produce a perfect rumble bass for Hard Techno in FL Studio. We'll go over the sample selection of the kick. Then we're gonna add reverb on the kick to create the techno rumble. To finish off the hard techno rumble we're gonna add some other effects that make it sound better in the mix. At the end I'll show you how the Techno Rumble Bass sound in a full hard techno production