TOA TZ-S60W Slim Array Speaker, equipped with 9 vertically arrayed 8cm speaker units, delivers high clarity sound with a 90° horizontal x 0° vertical directivity control. This feature enables it to project clear sound even in rooms with reverberation problem. Two TZ-S60W can be stacked to improve sound transmission distance and the vertical coverage area. For installation flexibility, both low impedance and high impedance is available by a rotary switch.