Blue Octave Home LW10 In-Wall Subwoofer (White) RMS power is 120 Watts and MAX power is 250 Watts Woofer is 10" Aerated Blue IMPP cone with rubber surround 8 Ohm Frequency Response is 30Hz-200Hz, Sensitivity is 96dB Cut-out Size is 10.63" x 10.63", Frame Dimensions are 11.97" x 11.97", Mounting Depth is 3.75"