Super High Frequency Titanium Tweeter Sold in pairs 250 Watts power (P.M.P.O.) 125 Watts power (R.M.S) 1" High temperature katpon voice coil Frequency Response: 3,000 - 20kHz Sensitivity: 105dB Impedance: 4 Ohms Mylar crossover capacitor included 24.5 x 6mm Neodymium magnet structure Overall Face Dimensions: 2.6"x 2.6" Mounting depth: 2-3/8"