ICS11 Subwoofer Series In Ceiling Subwoofer ICS11 ‹ › Technical Data: Passive 10" Ceiling Sub Woofer10' Long Exursion Graphite Cone Power Handling175 Watts Frequency Response30Hz – 120Hz Dimension Diameter13 3/4" x Depth 6 ½" Ceiling Cut OutDiameter 11 7/8"