Product Details: 6-1/2" N-Series 2-way Coaxial Car Speakers. Power Handling: . Peak: 540 watts per pair / 270 watts each. RMS: 180 watts per pair / 90 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: 2. 40 / 61 mm". Cutout Dimensions: 5. 59 / 142 mm". Impedance: 4 ohm. Frequency Response: 70 - 20000 Hz. Sensitivity: 89 dB. Authorized Internet Dealer. 1-year Manufacturer's Warranty. Priced Per Pair. NVX NSP65 owner’s manual | Nvx | | NSP65 540W Peak (180W RMS) 6.5in N-Series 2-Way Coaxial Speakers with 20mm Silk Dome Tweeters | Best Buy