The 53SA-7 is part of the new Small Aperture® collection of ceiling and in-wall systems that provide high volume levels, deep bass and wide coverage from a small 4” square or 5" round flush and seamless square opening. James SA Series models are essentially hidden, yet provide the complete musical experience. Each unit has been engineered to integrate a multitude of designer demands, the no compromise design solution for the meticulously artful and audio enthusiast alike.