Blue Octave Home RC53 Round In-Ceiling Speakers (White) RMS power is 260 Watts per pair and MAX power is 560 Watts per pair Woofer is 5.25" Aerated Blue IMPP cone with rubber surround 3-Way Design, PEI dome midrange and soft dome tweeter Frequency Response is 46Hz-25kHz, Sensitivity is 94dB Cut-out Size is 6.61", Frame Dimensions are 8.07", Mounting Depth is 3.25"