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
Kenwood 6-1/2" 2-Way Car Speaker Black KFC-651 - Best Buy
6.5" Speaker Box Enclosure 6 1/2" Car Speaker Box Coaxial 5.125" Hole – AK Audio
Infinity REF-6532IX Reference 6.5 Inch Two-way Car Audio Speakers - Walmart.com