Blue Octave Home BDW10 In-Wall Subwoofer (White) RMS power is 180 Watts and MAX power is 350 Watts Woofer is 10" Blue Kevlar cone with rubber surround 8 Ohm Frequency Response is 25Hz-200Hz, Sensitivity is 98dB Cut-out Size is 10.63" x 10.63", Frame Dimensions are 11.97" x 11.97", Mounting Depth is 3.75"