Blue Octave Home LC82 Round In-Ceiling Speakers (White) RMS power is 320 Watts per pair and MAX power is 600 Watts per pair Woofer is 8" Aerated Blue IMPP cone with rubber surround Tweeter Type is 1" Pivoting PEI dome tweeter Frequency Response is 35Hz-25kHz, Sensitivity is 96dB Cut-out Size is 9.49", Frame Dimensions are 10.94", Mounting Depth is 4"