UMass Boston will test a new public address system on Friday morning (Jan. 11) at 11 a.m. The system— which will amplify pre-recorded messages for different types of emergencies using loudspeakers— is designed to reach the entire campus, but not go into the neighborhoods. Still, the university has alerted neighbors on Columbia Point and Columbia/Savin Hill, just in case the sound carries further than expected. There will be at least two test messages conducted in the coming weeks, officials say.