DS18 GEN-X6.9 6x9 180 Watts 4-Way Coaxial Speakers Mesh Grills 4-Ohms - Sold as a Pair 2 DS18 GEN-X6.9 6x9" 180 Watts 4-Way Coaxial Speakers with Mesh Grills 4-Ohms - Sold as a Pair of 2 180 Watts Max Power - 60 Watts RMS - Black Paper Cone with Rubber Edge 1" (25mm) ASV Voice Coil - 28 mm + 20 mm + 9 mm Mylar Dome Tweeters Frequency Response: 65Hz-20KHz - Impedance: 4-Ohms - Sensitivity: 87 dB Mounting Hole Diameter: 167.5 x 119 mm - Mounting Depth: 76.5 mm