Diameter165 mm / 6.50″ Power Handling (RMS/max.) 90 / 130 Watts Impedance3 ohms Efficiency91 dB Frequency Response50 Hz – 22 kHz Tweeter113 mm / 0.51″ Mylar tweeter Membran LayoutHQPP cone with 3D structure Mounting Ø67 mm / 2.64″. Incl. protection grill