Blue Octave Home BDC52 Round In-Ceiling Speakers (White) RMS power is 240 Watts per pair and MAX power is 520 Watts per pair Woofer is 5.25" Blue Kevlar cone with rubber surround Tweeter Type is 1" Pivoting silk/polymer composite dome tweeter Frequency Response is 40Hz-25kHz, Sensitivity is 95dB Cut-out Size is 6.5", Frame Dimensions are 7.56", Mounting Depth is 3"