Product Details: 6-1/2" E-Series 2-way Coaxial Car Speakers. Power Handling: . Peak: 360 watts per pair / 180 watts each. RMS: 120 watts per pair / 60 watts each. CEA-2031 compliant. Polypropylene cone material. Rubber speaker surround. 1/2" PEI (Polyetherimide) Dome Tweeters. 1" Voice coil. Ferrite magnet motor structure. Top-mount Depth: 2. 5". Cutout Dimensions: 5. 7". Impedance: 4 ohm. Frequency Response: 65 - 20, 000 Hz. Sensitivity: 91 dB. Authorized Internet Dealer. MFR #: ESP65. 1-year Manufacturer's Warranty. Priced Per Pair. NVX E-Series owner’s manual | Nvx | | ESP65 360W Peak (120W RMS) 6.5in E-Series 2-Way Coaxial Speakers with 13mm PEI Dome Tweeters | Best Buy