360 watts peak @ 4-ohm / 90 watts RMS @ 4-ohm</br>Thin-profile woofers avoid obstructing car-window mechanisms</br>13mm polyethylene-naphthalene domed tweeters</br>High-sensitivity motor structures</br></br>Product Description</br></br>Power rating: 360 watts peak @ 4-ohm /  90 watts RMS @ 4-ohm. Thin-profile woofers avoid obstructing car-window mechanisms 13mm polyethylene-naphthalene domed tweeters have zero-to-minimal tweeter protrusion. High-sensitivity motor structures of the woofers are made to deliver increased volume output polypropylene cones and acoustic-foam surrounds provide optimal performance includes a third?? 50mm midrange driver on each for an additional decibel boost woofer [in?? mm]: 6x9?? 160x230 mid [in?? mm]: 2?? 50 frequency: 30-20k grille included.</br><br/>http://www.amazon.com/gp/product/B00I14VZ6K