Speaker type 6" X 9" (16 X 24CM) COAXIAL 3-WAY SPEAKER Frequency response 65 Hz to 19 kHz Power handling 350 Watts peak power 90 Watts RMS power Design Surface Mount Application, Tweeter Round rubber surround Material PI dome tweeter Neodymium Magnet for tweeter Ferrite Magnet for woofer PP Cone Dimension Woofer mounting diameter : 150 x 222 mm Woofer mounting depth : 76 mm