extensive applications research to simplify installation. Speaker frames and mounting holes are sized and positioned to fit most vehicles without modification, and even the grilles feature a rotating logo so that they may be mounted in any position. Infinity's Reference Series: not just better... Infinitely Better!  (less)

for accuracy and detail that may surprise you. Infinity Reference Series loudspeakers continue to be the top-selling premium speakers in the world. For instance, the 6-1/2-inch Reference coaxial model has been the number-one-selling car audio multielement speaker for five years straight. With proprietary features such as patent-pending Plus One cones, true 4-ohm topology, UniPivot edge-driven tweeters and the industry-leading Intermount III and I-Mount mounting systems, as well as the Starfish tweeter-mounting adapter, Reference Series speakers leave the competition scrambling to keep up.  (less)

for accuracy and detail that may surprise you. Infinity Reference Series loudspeakers continue to be the top-selling premium speakers in the world. For instance, the 6-1/2-inch Reference coaxial model has been the number-one-selling car audio multielement speaker for five years straight. With proprietary features such as patent-pending Plus One cones, true 4-ohm topology, UniPivot edge-driven tweeters and the industry-leading Intermount III and I-Mount mounting systems, as well as the Starfish tweeter-mounting adapter, Reference Series speakers leave the competition scrambling to keep up.  (less)

drop in to the factory location of a 5 1/4-inch speaker and can be driven by either a factory OEM radio or an aftermarket radio. It utilizes Plus One technology which gives you improved bass response. The Edge-driven textile-dome tweeter provides outstanding high frequencies and excellent reliability. This speaker can be driven with a 2 ohm impedance amplifier which gives you improved low frequency performance and louder sound. They can also be driven by a 4 ohm radio or amplifier. Infinity Systems is a leader in loudspeaker design for both car and home speaker systems and is part of Harman International. These speakers come with a one year parts and labor warranty.  (less)

for accuracy and detail that may surprise you. Infinity Reference Series loudspeakers continue to be the top-selling premium speakers in the world. For instance, the 6-1/2-inch Reference coaxial model has been the number-one-selling car audio multielement speaker for five years straight. With proprietary features such as patent-pending Plus One cones, true 4-ohm topology, UniPivot edge-driven tweeters and the industry-leading Intermount III and I-Mount mounting systems, as well as the Starfish tweeter-mounting adapter, Reference Series speakers leave the competition scrambling to keep up.  (less)