Adaptor Rings make it easy to fit the db6501 in 6-1/2 inch and 6-3/4 inch applications</br>Two-way Butterworth outboard crossover with vented housing?? electronic tweeter protection circuit</br>Woofers feature polymer/mica composite cone with butyl rubber surround?? Kapton voice coil former. 6.5-inch component system with pair each of woofers?? tweeters?? crossovers</br>25mm liquid-cooled silk/polymer composite dome tweeters with neodymium magnet for clear?? detailed highs</br>Special Shipping Information: This item cannot be returned to Amazon.com. For additional information concerning this policy?? please visit our Product Specific Returns Policy Page</br>6.5-inch component sy"th pair each of woofers?? tweeters?? crossovers</br>Woofers feature polymer/mica composite cone with butyl rubber surround?? Kapton voice coil former</br></br>Product Description</br></br>Polk's new 2007 db Series is better than ever with superior looks and even better sound--at prices that make high performance affordable to everyone. The db6501 is a 6.5-inch two-way component system that works well in OEM factory systems?? as well as with high-powered aftermarket head units and component power amps.</br></br>Amazon.com</br></br>Polk's new 2007 db Series is better than ever with superior looks and even better sound--at prices that make high performance affordable to everyone. The db6501 is a 6.5-inch two-way component system that works well in OEM factory systems?? as well as with high-powered aftermarket head units and component power amps.</p>  <table width="cellpadding="20" align="left">   <tr>     <td align="center"><img src="https://images-na.ssl-images-amazon.com/images/G/01/electronics/detail-page/B000P0R6LQ-1-th.jpg" border="0">         <p><small><b><i>High performance that's affordable to everyone.  Click to enlarge.</i></b></small>     </td>   </tr> </table>  <table width="200" cellpadding="10" align="right">   <tr>     <td align="center"><img src="https://images-na.ssl-images-amazon.com/images/G/01/electronics/detail-page/B000P0R6LQ-2.jpg" border="0" style="border: 1px solid gray;">         <p><small><b><i>The butyl rubber surround won't fall apart under the stress of extreme temperatures?? sunlight or time.</i></b></small>     </td>   </tr>   <tr>     <td align="enter"><img src="https://images-na.ssl-images-amazon.com/images/G/01/electronics/detail-page/B000P0R6LQ-3.jpg" border="0">         <p><small><b><i>A vented crossover housing gives you a choice of hidden wire channels for easier?? more professional-looking installs. </i></b></small>     </td>   </tr> </table>  <p><b>Marine Certified</b><br> Polk db Series speakers are built tough to withstand the toughest environments so they are perfect for use in boats of all types. That's why Correct Craft offers Polk Audio speakers in their award-winning Nautiques ski and wakeboarding boats.  <p><b>Tweeters</b><br> The 25mm liquid-cooled silk/polymer composite dome tweeter with neodymium magnet provide clear?? detailed highs.   <p>Flush and surface mount swivel cups allow placement flexibility for soundstage optimization in your vehicle.  <p><b>Mid/Woofers</b><br> The 6.5-inch woofers feature a dynamic balance polymer/mica composite mineral-filled cone?? which is stiff yet lightweight?? for big sound with little distortion. The butyl rubber surround won't fall apart under the