Pioneer 6 1/2" 2-way, 300 W Max Power, IMPP™ cone, 30mm Tweeter Coaxial Speakers (pair) Black TS-G650 - Best Buy
Amazon.com: NVX® 6 1/2 inch Professional Grade True 100 watt RMS 2-Way Coaxial Car Speakers [V-Series] with Silk Dome Tweeters, Set of 2 [VSP65] : Electronics
Pioneer TS-600M, 6-1/2" 4-way Coaxial Speakers, 320W Max Power | 11mm Tweeter and 11mm Super Tweeter and 1-5/8" Cone Midrange | Coaxial Speakers | (Sold in Pairs) - Walmart.com