Definitive Technology Black Mythos Solo Surround Array Speaker - SSA42BK/ Three 3-1/4" BDSS Drivers With Axially Aligned 3/4" Pure Aluminum Dome Tweeters/ Two 3-1/4" BDSS High-Output Full-Range Drivers/ Four 3" Full-Range High-Output Surround Drivers/ 60 Hz � 30 kHz Frequency Response/ 89dB Sensitivity/ 20 � 175 Watts Recommended Power/ Five Pairs Of 5 Way Binding Posts/ Black Finish