Simplex has a multi-tone horn that is quite similar in sound to the MT, except it doesn’t code. They have newer dedicated chimes/chime-strobes as well.
You beat me to the QuickAlert comment. The apartment complex I lived in for the second part of undergrad had some of those in horn, strobe, and horn/strobe. On continuous. Some units/hallways had SpectrAlert Advances replacing them, others had Genesis horns or GX-90s, the Advances and GX-90s on continuous as well. Those things were painful to hear.