EF-573 | 500W Coaxial Speaker

Power Acoustik EF-573 5x7 3-Way Coaxial Car Speaker

The Power Acoustik EF-573 5x7 3-Way Coaxial Car Speaker delivers vibrant, high-fidelity audio, transforming vehicle sound systems with exceptional clarity and durability. Part of the Edge Series, this speaker produces 500W max power (approximately 100W–150W RMS), featuring a polypropylene woofer cone with a strong surround designed to withstand the environmental stress of car door installations. A 1" balanced dome Mylar tweeter delivers smooth, precise highs, while a built-in crossover ensures accurate frequency distribution to the woofer, midrange, and tweeter, creating a dynamic soundstage with rich mids, crisp highs, and robust bass. With a 4-ohm impedance, 92dB sensitivity, and 65Hz–20kHz frequency response, the EF-573 provides balanced audio for genres like rock, pop, or hip-hop. Its 1.75" mounting depth, 1" aluminum voice coil, and quick-disconnect terminals simplify installation in sedans, SUVs, or trucks, making it ideal for car audio speaker upgrades. Priced at $29.81 with a 2-year warranty and free shipping on orders over $100–$250, the EF-573 is perfect for daily driving audio systems, DIY car audio projects, professional installations, or car audio enthusiast setups, offering reliable performance and exceptional value.

Key Features of the Power Acoustik EF-573

High-Performance Audio Output

The EF-573 delivers 500W max power with an estimated 100W–150W RMS, providing robust sound for car audio systems. Its 5x7 3-way coaxial design, 4-ohm impedance, and 92dB sensitivity ensure efficient power handling and clear audio output. The 65Hz–20kHz frequency response covers a wide range, delivering deep bass, clear mids, and crisp highs, ideal for music lovers seeking a vibrant soundstage, as noted by Walmart reviews.

Durable and Efficient Design

Engineered for resilience, the EF-573 features a polypropylene woofer cone with a strong surround, built to endure temperature fluctuations and vibrations in car door environments. The carbon fiber injection-molded structure enhances durability, while the 1" aluminum voice coil ensures thermal stability. Quick-disconnect terminals simplify installation, making it accessible for DIY enthusiasts and professional installers, as highlighted by Onlinecarstereo.com.

Precision Audio with Mylar Tweeter

The 1" balanced dome Mylar tweeter produces smooth, precise highs, enhancing vocal clarity and instrument detail. A built-in crossover directs frequencies to the appropriate drivers, ensuring seamless integration of bass, mids, and highs for a cohesive soundstage. This feature, emphasized by Power Acoustik, makes the EF-573 ideal for users seeking high-performance car speakers with balanced audio.

Easy Installation and Vehicle Compatibility

With a 1.75" mounting depth, the EF-573 fits most vehicle door panels, from compact sedans to larger SUVs. Quick-disconnect terminals streamline wiring, and the 4-ohm impedance ensures compatibility with aftermarket or factory head units and amplifiers (100W–150W RMS recommended). Retailers like Amazon note its ease of installation, making it suitable for car audio speaker upgrades in various vehicles.

Technical Specifications

Why Choose the Power Acoustik EF-573?

The Power Acoustik EF-573 5x7 3-Way Coaxial Car Speaker offers a cost-effective, high-performance solution for car audio upgrades. Its polypropylene woofer cone and strong surround ensure durability in harsh car door environments, while the 1" balanced dome Mylar tweeter and built-in crossover deliver smooth highs and a vibrant soundstage. With a 1.75" mounting depth and quick-disconnect terminals, installation is straightforward, making it ideal for DIY car audio projects or professional installations. Priced at $29.81 with a 2-year warranty, the EF-573 provides exceptional value for daily driving audio systems, car audio enthusiast builds, or upgrades from factory speakers, delivering clear, balanced audio for any vehicle.

Installation and Compatibility

The EF-573 is designed for easy installation, with a 1.75" mounting depth fitting most 5x7 or 6x8 vehicle door panels. Quick-disconnect terminals simplify wiring, and the 4-ohm impedance ensures compatibility with a range of amplifiers (100W–150W RMS recommended) and head units. For optimal performance, pair with a quality amplifier, as noted by Onlinecarstereo.com, to drive the 500W max power effectively. The speaker’s carbon fiber injection-molded structure enhances durability, while its wide 65Hz–20kHz frequency response supports versatile audio applications. Professional installation is recommended for complex setups to ensure proper alignment and wiring, though DIY enthusiasts can achieve excellent results with basic tools.

Ideal Use Cases

• Car Audio Speaker Upgrade: Replaces factory speakers for improved sound quality in daily drivers.
• Daily Driving Audio Systems: Enhances audio clarity for commutes or road trips.
• DIY Car Audio Projects: Ideal for hobbyists upgrading vehicle audio systems.
• Professional Car Audio Installation: Suited for technicians building high-performance setups.
• Car Audio Enthusiast Builds: Appeals to users seeking vibrant, balanced audio on a budget.

Addressing User Concerns

Amazon reviews highlight the EF-573’s clear sound and easy installation but note inconsistent power ratings across listings (200W vs. 500W). This description confirms the 500W max power, as per Power Acoustik, and estimates 100W–150W RMS for clarity. The $29.81 price point and 2-year warranty (via Onlinecarstereo.com) address budget concerns, while free shipping on orders over $100–$250 adds value. The EF-573’s 5x7 design is clarified to avoid confusion with 6x9 models (e.g., EF-694), addressing the GSC query “power acoustik 6x9 speakers.” The durable polypropylene cone and strong surround ensure reliability, as noted by Walmart, for long-term use in car doors.

Conclusion

The Power Acoustik EF-573 5x7 3-Way Coaxial Car Speaker delivers 500W max power with a vibrant soundstage, featuring a polypropylene woofer cone, 1" Mylar tweeter, and built-in crossover for balanced audio. Its durable design, 1.75" mounting depth, and quick-disconnect terminals make it ideal for car audio speaker upgrades, daily driving, DIY projects, or professional installations. Priced at $29.81 with a 2-year warranty, the EF-573 offers exceptional value for car audio enthusiasts seeking high-performance, budget-friendly speakers. Whether upgrading factory audio or building a custom system, this speaker delivers clear, reliable sound for any vehicle.