400 Watts Max Power and 200 Watts RMS Power</br>Die Cast Aluminum Basket with CNC?? 12 Oz High-Strength Ferrite Magnet</br>1.75"High-Temperature Kapton Voice Coil with Included Capacitor Crossover</br>4-Ohms Impedance and 98dB of Sensitivity</br>Frequency Response of 1.8K-19KHz</br>Includes 1 speaker.</br></br>Product Description</br></br>Engineered and Designed in the US?? the DS18 PRO Tweeters are the top of  the line in the Pro Audio/Voceteo market. These bad boys deliver so much  power that you'd think with one tweeter your whole sound system is  ready to deploy for a major concert. Simply put?? there are no tweeters  that can compare to the sophistication?? beauty?? and precision of these  tweeters especially in the Pro Audio/Voceteo World. Thanks to the  demands of our customers?? after months of relentless tests and  experiments?? our team of audio-experts perfected the PRO line. We are  ecstatic to share with you the product of hard-work and "op  innovating attitude." We are sure that you will love your new PRO  Tweeters as much as we do. Warning: Extremely Loud. DS18 is a proud  member of CEA?? IASCA?? MERA?? and SEMA<br /><br /><strong>PRO-TW310 1.75"tanium Super Bullet Tweeter</strong><br /> <li>Die-Cast Aluminum Basket with CNC</li> <li>12 Oz High Strenght Ferrite Magnet</li> <li>1.75" High Temperature Kapton Voice Coil</li> <li>250 Watts RMS Power</li> <li>400 Watts Max Power</li> <li>Impdeance: 4-Ohms</li> <li>Included Capacitor Crossover</li> <li>Sensitivity: 98 dB</li> <li>Frequency Response: 1.8k - 18kHz</li> <li>Overall Diameter: 100mm (3.93 in)</li> <li>Baffle Cutout Diameter: 90mm (3.54 in)</li> <li>Depth: 77mm (3.03 in)</li></br><br/>http://www.amazon.com/gp/product/B00NJTNH6SS Format<b