5.25″ 2-way coaxial speakers Power RMS / Max. 50 / 100 Watts Frequency response 70 Hz – 22,000 Hz Impedance 3 Ω Sensitivity 91.0 dB @ 2.83V / 1m 87.0 dB @ 1W / 1m Cone material TW: Mylar M: – W: Injected polypropylene with embedded carbon fibers Crossover Integrated, 6 dB slope Outer diameter 129 mm / 5.08″ Installation diameter 112 mm / 4.41″ Installation depth 50 mm / 1.97″