Product Details: 5-1/4" N-Series 2-way Coaxial Car Speakers. Power Handling: . Peak: 480 watts per pair / 240 watts each. RMS: 160 watts per pair / 80 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. 96". Cutout Dimensions: 4. 72". Impedance: 4 ohm. Frequency Response: 87 - 20000 Hz. Sensitivity: 88 dB. Authorized Internet Dealer. 1-year Manufacturer's Warranty. Priced Per Pair. Check out the NSP525 Owner's Manual | Nvx | | NSP525 240W Peak (160W RMS) 5.25in N-Series 2-Way Coaxial Car Speakers with 20mm Silk Dome Tweeters | Best Buy