Power Handling: Peak: 180 watts/RMS: 90 watts</br>1-1/2" Titanium diaphragm</br>Heavy-duty magnet structure</br>Sensitivity: 109dB</br>Frequency response: 3,000-20,000Hz</br></br>Product Description</br></br>1" Titanium Bullet Tweeters</br><br/>http://www.amazon.com/gp/product/B004RCS0T0