AS68 1 Pair 6x8 inch 350 Watts Max 3-Way Car Audio Coaxial Speakers | Alphasonik
Amazon.com: 4 x Pioneer TS Series 350W Max 6" x 8" A-SERIES 4-Way Coaxial Car Speakers with Gravity Magnet Phone Holder Bundle (4 Speakers) : Electronics
JVC drvn DR Series Shallow-Mount Coaxial Speakers (6" x 8", 300 Watts Max, 2 Way) in the Mobile Audio department at Lowes.com