Rockford Fosgate R1675-S Prime Series 6-3/4" Component Speaker System – roadauthority
6", 6-1/2" & 6-3/4" Speakers at Crutchfield
Amazon.com: Pioneer TS-M651PRO P.R.O. Series 6-3/4" 500 W Max Power, Blended Pulp Cone, High Efficiency Mid-Bass Driver - PRO Series Component Speaker (Pair) : Electronics
Rockford Fosgate P1675-S Punch Series 6-3/4" component speaker system at Crutchfield
Pioneer 6 3/4" (17cm) 300Watt 2 Way Coaxial Speakers – Auto Sparky
Rockford Fosgate R1675X2 Prime Series 6-3/4" 2-way car speakers at Crutchfield
Focal Performance 165AC Access Series 6-3/4" coaxial speakers | Stereo West Autotoys
Focal ES 165KX2 K2 Power Series 6-3/4" component speaker system (2-ohm) | Stereo West Autotoys
4x6" 6x4" Car Speaker PAIR of Oval Coaxial Two Way Car Door Shelf Speakers NEW | eBay