(2) Pairs of MB Quart DK1-113 5.25" 2-Way Coaxial Car Speakers Totaling 200 Watt With Aluminum Dome Tweeter and Grills 5.25" 100 Watt 2-Way Car Speakers/Aluminum Dome Tweeter. 100 Watts Peak Power Total / 50 Watts Peak Power Per Speaker 50 Watts RMS Total / 25 Watts RMS Per Speaker. Stamp-cast deep drawn steel baskets. Aluminum dome tweeters Euro-DIN chassis for simple installation. Polypropylene mid-woofer cone, Rubber speaker surround. Cut out diameter: 4.49" Top-mounting depth: 2.11", Impedance: 4-Ohms. Crossover Slope: 12db Frequency response: 20-20,000 Hz. Sensitivity: 89dB