Alpha 603 speakers deliver Infinity's signature performance at a truly affordable price. Polypropylene woofers provide a solid foundation of bass and midrange frequencies, while balanced dome tweeters made of PEI complete the full sound spectrum with clear, high frequencies. Installation is possible in any vehicle, whether a truck, small car, or sedan. In addition to passing rigorous reliability and environmental testing, all speakers are custom-tuned by some of the world's best audio engineers to deliver authentic Infinity sound.
Features
Plus One™ woofer cone architecture
Balanced dome tweeter made of PEI
Dome tweeter with edge-driven silk membrane
New Infinity ID design
Developed with a focus on value
Competitive voting
Specifications
Speakers: 6-1/2 inch (165 mm) coaxial car speakers with grilles
