CTX65 - Image Dynamics 6.5" 2-Way Coaxial Car Speakers 6-1/2" CTX Series 2-Way Car Speakers, Watts RMS: 100 (Each)Impedance: 4 Ohm, Sensitivity: 90 dB High temperature and high power voice coil High-energy neodymium tweeter magnets, Silk dome tweeters Top-mount depth: 2-3/4" Bottom-mount depth: 2-7/8"