The Infinity Alpha 603CF Component Speakers are built for drivers who want clearer detail, stronger bass response, and a more refined in-car listening experience. As a 2-way component speaker system, the Alpha 603CF separates the woofer and tweeter for improved sound staging and better placement of vocals and instruments across your vehicle’s cabin. With a 6.5-inch design, 90W RMS power handling, and 90dB sensitivity, this Infinity car audio upgrade is designed to deliver efficient, balanced performance in a wide range of automotive audio setups. The Plus One™ polypropylene woofer cone helps increase cone area for fuller low-end output, while the edge-driven tweeter design is intended to reproduce crisp high frequencies with clarity. Whether you are replacing worn factory speakers or building a more engaging daily-driver sound system, the Infinity Alpha 603CF offers a practical combination of power, detail, and value.Key Features 2-Way Component Design: Separates bass and treble duties for cleaner, more accurate car audio playback. 6.5-Inch Speaker Size: A popular fit for many vehicle audio installations that use 165mm speakers. Plus One™ Polypropylene Woofer: Provides more cone area to support stronger bass performance. Edge-Driven Tweeter: Delivers detailed high frequencies for improved clarity and listening precision. 90W RMS / 720W Peak: Offers the power handling needed for lively sound in everyday driving. 90dB Sensitivity: Helps the speakers play efficiently with less amplifier demand. External Crossovers Included: Supports proper frequency separation for a smoother overall sound. Technical Specifications Specification Details Brand Infinity Model Alpha 603CF Type 2-Way Component Speaker System Size 6.5 inches (165mm) Power Handling 90W RMS / 720W Peak Sensitivity 90dB (@ 2.83V) Frequency Response 60Hz – 20kHz (or 55Hz-20kHz on some models) Nominal Impedance 4 Ohms Woofer Plus One™ Polypropylene cone with rubber surround Tweeter Edge-driven PEI dome (or silk dome) Package Contents Woofers: Component midbass drivers for the low and midrange frequencies. Tweeters: Separate high-frequency drivers for improved detail and sound separation. External Crossovers: Frequency management components for balanced performance. Grilles: Included on some models. Mounting Hardware: Hardware for installation, where included by the manufacturer. CompatibilityThe Infinity Alpha 603CF is designed for vehicles and audio systems that accept 6.5-inch component speakers and 4-ohm speaker loads. It is a strong choice for factory speaker replacement or aftermarket car audio upgrades when a separate woofer and tweeter layout is desired. Always verify vehicle fitment, mounting depth, and available installation space before purchase.Why Buy This Product Better sound separation: The component design helps create a wider, more natural soundstage inside the vehicle. Clearer highs: The edge-driven tweeter design supports crisp treble and improved vocal detail. Stronger bass response: The Plus One™ woofer cone helps maximize cone area for fuller low-end output. Efficient performance: 90dB sensitivity makes it easier to get great sound from a compatible system. Versatile installation: The 6.5-inch format fits many common car audio applications.
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