3 Aluminum Horn with Titanium super tweeter. Die cast aluminum frame. Diamond chrome cutting finish. Hight temperature kapton voice coil. 175 Watts RMS 350 Watts peak power. 4-8 Ohms Impedance. Oz. Magnet structure. Ferro fluid enhanced voice coil. Sensitivity: 99 dB. Frequency response: 2K-25KHz.. Mylar crossover capacitor included.