220 Watts Max Power and 70 Watt RMS Power</br>Impedance: 4 Ohms</br>Magnet Size: 10 oz.</br>Sensitivity: 93 dB</br>Frequency Response: 25 Hz - 35??000 Hz</br></br>Product Description</br></br>The SELECT coaxial speakers were introduced in order to provide undiscovered value. DS18 understood the demands of many inexperienced car audiophiles and fiscally-responsible deal-finders. The SELECT series offers a variety of speakers; coaxial speakers and dual cone with rubber or foaming suspensions?? silk or PPI cones?? ferrite magnets?? and PPI Dome tweeters. All Speakers feature 1"ce Coils and 4-Ohms Impedances.</br><br/>http://www.amazon.com/gp/product/B00K81OR0Asscr