In Ceiling 4" 2-Way Speaker, 70/100VBeale Street Audio 70 100V Commercial Audio Ceiling SpeakerWhile most 70 100V in ceiling speakers only give passable performance, Beale Street has created 70 100V speaker that sounds just as good as their professional line of 2 way audio speakers. This speaker is fully baffled, but instead of just a top hat, this enclosure features their Sound Vortex Technology that uses a unique sprial in the enclosure to create three tuned ports that not only add