Polk Audio MM6502 6.5” 750w Component Car Speakers+Free Powered Monitor Speakers - Rockville Audio
Amazon.com: Polk Audio 6.5" 300W 2 Way Car/Marine ATV Stereo Coaxial Speakers DB652 (Pair) (Renewed) : Electronics
Polk Audio 6.5" 300w 2 Way Marine Speakers + Boss 6x9" 3 Way 400w Car Speakers : Target
Amazon.com: Polk Audio DB651 6.5"/6.75" 2-Way Marine Certified db Series Car Speakers with Liquid Cooled Silk Tweeters (Discontinued by Manufacturer),silver/black : Everything Else
Restored Polk Audio 6.5" 300W 2 Way Car/Boat Speakers (Pair) (Refurbished) - Walmart.com