High quality PP cone</br>Butyl rubber Surround</br>1" high temperature aluminum voice coil</br>Ceramic magnet</br>Mylar dome tweeter</br></br>Product Description</br></br>The Blaupunkt 240 Watt 4” x 6” 4-way coaxial speakers (GTX406) are as beautiful as the sound they produce. They are made with the highest technical quality to ensure maximum reliability and durability. The GTX406 4”x 6” car audio speaker features a Max power handling 240 Watts (240 Watts peak) and an RMS power handling of 80 Watts (240 Watts peak). other features include the high-quality polypropylene woofer cone, a butyl rubber surround with Mylar dome tweeter, and ceramic magnet. 80 Watts RMS (240 Watts peak)- impedance 4-ohms- included grills.</br><br/>http://www.amazon.com/gp/product/B01M5DKWTK