Product Details: 4" x 6" N-Series 2-way Coaxial Car Speakers. Power Handling: . Peak: 300 watts per pair / 150 watts each. RMS: 100 watts per pair / 50 watts each. Polypropylene cone material. Nitrile Butadiene Rubber NBR speaker surround. 3/4" Silk Dome Tweeters. CEA-2031 compliant: Yes. 1" Voice coil. Ferrite magnet motor structure. Top-mount Depth: 1. 81". Cutout Dimensions: 4. 01 x 5. 90. Impedance: 4 ohm. Frequency Response: 90 - 20000 Hz. Sensitivity: 86 dB. Authorized Internet Dealer. 1-year Manufacturer's Warranty. Priced Per Pair. Check out the N-Series Coaxial Speakers Owner's Manual | Nvx | | NSP46 300W Peak (100W RMS) 4x6in 2-Way N-Series Coaxial Car Speakers with 20mm Silk Dome Tweeters | Best Buy