The 100AC is a premium 4-inch coaxial speaker set designed to deliver crisp treble, balanced midrange, and tight bass, all within a compact design. Perfect for vehicles with limited space or those looking to replace smaller factory speakers, the 100AC brings clear, dynamic audio and premium performance to your car’s sound system. Whether you're upgrading an existing system or adding a new layer of sound to a custom build, the 100AC ensures a full-range, well-rounded audio experience. The 100AC features a coaxial design, combining the woofer and tweeter into a single unit. This integration provides a seamless transition between the bass and treble frequencies, ensuring harmonious sound reproduction across the full audio spectrum. The woofer covers the low to midrange frequencies, delivering clear vocals and punchy bass, while the tweeter ensures detailed high frequencies, enhancing the clarity of your music. Engineered with high-quality materials and premium components, the 100AC offers distortion-free performance even at higher volumes. Whether you’re enjoying your music at a moderate volume or cranking up the bass for a more energetic sound, these speakers maintain clarity and detailed reproduction, ensuring that every note comes through with precision. The 100AC is designed for easy installation in most standard 4-inch speaker locations, making it an excellent upgrade for factory-installed speakers or a straightforward addition to a custom audio system. Its compact size and high-efficiency design ensure that you can achieve clear, powerful sound without consuming excess power from your vehicle’s system. Built for long-lasting durability, the 100AC is crafted to withstand the demands of daily driving. Whether exposed to temperature fluctuations or the rigors of the road, these speakers maintain their consistent performance, delivering reliable sound quality year after year. Whether you're an audiophile seeking compact, high-performance speakers or simply looking to improve your car's audio system, the 100AC provides balanced sound and exceptional clarity in a small, easy-to-install package. | Parameter Specification Product Focal 100 AC Series Access Type 2-way coaxial car speaker Speaker Size 4 in / 100 mm Woofer Cone DFS® (Dual Fiberglass Structure) Cone Material Fiberglass Surround Butyl Tweeter Aluminum inverted-dome tweeter Tweeter Type TN43 Voice Coil Diameter 25 mm / 1 in Nominal Impedance 4 Ω Nominal Power 40 W RMS Maximum Power 80 W Sensitivity 87.2 dB Frequency Response 70 Hz – 20 kHz ±3 dB Crossover Frequency 4.7 kHz Crossover Slope 6 dB/octave Maximum Excursion (Xmax) ±2.5 mm Magnet Ferrite, 72 mm × 15 mm Basket Reinforced ABS with fiberglass Free-Air Resonance (Fs) 110.12 Hz Equivalent Volume (Vas) 1.07 L Total Q (Qts) 0.824 Electrical Q (Qes) 0.96 Mechanical Q (Qms) 5.82 Effective Cone Area (Sd) 52.81 cm² Moving Mass (Mms) 7.7 g Force Factor (Bl) 4.34 N/A Mounting Cut-Out Diameter 127 mm / 5.0 in Mounting Depth 52.2 mm / 2.06 in Speaker Weight 0.6 kg / 1.2 lb Grilles Included Quantity Pair / 2 speakers
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