Audiopipe Super High Frequency Driver, 100 Watts Max, Ohm. Sold each. 100 Watts power (P.M.P.O.). 50 Watts power (R.M.S). High temperature kapton voice coil. Frequency Response: 000 22kHz. Sensitivity: 108dB.. Impedance: Ohms.. 56 4mm Neodymium magnet structure. 1-3/8" Screw on Throat.