Blue Octave Home RC83 Round In-Ceiling Speakers (White) RMS power is 320 Watts per pair and MAX power is 760 Watts per pair Woofer is 8" Aerated Blue IMPP cone with rubber surround 3-Way Design, PEI dome midrange and soft dome tweeter Frequency Response is 35Hz-25kHz, Sensitivity is 96dB Cut-out Size is 9.49", Frame Dimensions are 10.94", Mounting Depth is 3.75"