Only tests pure low end, not slam or authority. But Bass Mekanik puts out pure tone frequency CDs. Great for testing exactly how low your system goes, any rattles in furniture, or distortion points. Also, their test sweeps find any room nodes.

Living Room: TV-->Sonos Arc with Symfonisk rears and twin Sonos subs. Also, a set of DSP8000SE with a MiniDSP SHD for stereo listening.
Listening Room 1: G65, DSP7000SE, DSP3300, DSP3200
Roon Core: NUC7i7