Amazon.com: DS18 G4.6Xi GEN-X 4x6 2-Way Coaxial Speakers 135 Watts Max Power 45 Watts RMS 4-Ohm Mylar Dome Tweeters with Neodymium Magnet - Clarity Unparalled by Other Speakers in Their Class -
Alpine SPS-406 Type-S 4"x6" 2-way car speakers at Crutchfield