Parameters CU212 12"-3Way"Speaker box BLACK CARPET 700 watts max.power 30 Oz magnet[woofer] 8Ohm Impedance 360*915*310[W*D*H]   CU215 15"-3Way"Speaker box BLACK CARPET 800 watts max.power 30 Oz magnet[woofer] 8Ohm Impedance 440*1088*360[W*D*H]