Power Handling: Peak: 100 watts/RMS: 50 watts</br>Polypropylene diaphragm construction</br>Designed for surface or angle mounting</br>Frequency Response: 3??500-20??000 Hz</br>Sensitivity: 97 dB / Efficiency: 94 dB</br></br>Product Description</br></br>1"iobium Micro Dome Car Tweeters</br><br/>http://www.amazon.com/gp/product/B003VLBN1KK