Bose has announced a $400 home smart speaker and two soundbars that will be available in October. All three products will ship with Alexa voice controls, and AirPlay 2 support will arrive in 2019.

The Bose Home Speaker 500 houses a pair of 2.5-inch full-range drivers that fire out the left and right sides of the cabinet. This builds on acoustic design principles espoused by Bose’s founder ...