Plus One Woofer Architecture: Harman's patented Plus One cone provides 35% greater surface area than standard woofers, delivering higher sensitivity and deeper bass without needing an external amplifier Laser-Etched Glass Fiber Cone: The 10% glass fiber-reinforced woofer cone produces powerful, resonant bass, while the laser-etched mold creates a striking carbon fiber effect that looks premium in any vehicle True 4-Ohm Load Technology: The genuine 4-ohm impedance design maximises watt output from your factory head unit or amplifier by compensating for system resistance, so every watt works harder for you 3-Way Coaxial Design: A PEI balanced dome tweeter and secondary tweeter work alongside the large woofer for full-spectrum audio across 52 Hz to 20 kHz, covering bass, midrange, and crisp high frequencies Engineered for Direct Fit: Precise factory-slot dimensions ensure a clean, modification-free install into standard 6.5 in door cutouts, so you get professional-level sound quality with a straightforward DIY installation
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