The Alpine SXE-1325S custom fit speakers are good value for upgrading your factory fitted system. The SXE-1325S"s are designed for easy, do-it-yourself installation, including a complete kit with adaptors, and are designed to fit in a wide range of cars.* Peak Power 200W * RMS Power 35W * Frequency Response: 70Hz-20kHz * Sensitivity: 92dB/W/m * Neodymium Magnet * Mylar-Titanium Balanced Dome Tweeter *Ferrite Magnet *Long Fibre Natural Pulp Cone *High Polymer Foam Edge *UPC: 4958043515547