ISE 2018: James Loudspeaker Highlights 42SA-4 3″ Grille Small Aperture Speaker February 12, 2018 | Home / February 12, 2018 rave-video / ISE 2018: James Loudspeaker Highlights 42SA-4 3″ Grille Small Aperture Speaker Look in: ISE ISE 2018: James Loudspeaker Highlights 42SA-4 3″ Grille Small Aperture Speaker