Pioneer (2 Pairs) TS-A6960F 4-Way 450 Watt 6" x 9" Coaxial Car Speakers 6x9 with 16 Gauge 50ft Speaker Wire | Reverb
Amazon.com: Pioneer TS-A6960F A Series 6" X 9" 450 Watts Max 4-Way Car Speakers Pair with Carbon and Mica Reinforced Injection Molded Polypropylene (IMPP) Cone Construction Bundled with Alphasonik Earbuds : Automotive
Pioneer TS-A1685R 6-1/2" 4-way car speakers — also fits many 6-3/4" openings at Crutchfield
Pioneer TS-A682F 6.8" 4-WAY CAR SPEAKERS - EAI - Pascagoula
TS-A6986R - 6" x 9" 4-Way Speaker | Pioneer Electronics USA