Pioneer 6" x 9" 3-way, 400 W Max Power, IMPP™ cone, 11mm Tweeter and 2" Cone Midrange Coaxial Speakers (pair) Black TS-G690 - Best Buy
Amazon.com: Pioneer TS-M800PRO 8-Inch PRO Series High Efficiency Mid-Bass Car Speaker Drivers - Pair (Discontinued by Manufacturer) , Black : Electronics
Pioneer TS-G1643R 6.5-Inch 2-Way Speakers (Pair) (Discontinued by Manufacturer)
Pioneer TS-A1686R 6-3/4" 4-way car speakers at Crutchfield