Model 2-way coaxial speakers Diameter 130 mm / 5.12″ Power Handling (RMS/max.) 70 / 110 Watts Impedance 4 Ohms Efficiency 90 dB Frequency Response 60 Hz – 20 kHz Tweeter 13 mm / 0.51″ Mylar tweeter Membran HQPP cone with 3D-structure Mounting Ø 117.5 mm / 4.63″. Incl. hexagon style protection grill