4" Driver

Alpine S2-Series  4-Inch 2-Way Coaxial Speakers, 45-Watts RMS Using “trickle-down” technology, inspired design, and performance cues from the Ultra-High-Resolution AlpineF#1Status system, the Next-Generation Alpine S-Series Speakers are now Hi-Res Audio Certified and able to reproduce up to 40kHz frequency response. This new benchmark in sound quality elevates the Next-Gen S-Series Speakers resulting in a more accurate and natural sound at an entry-level price point. Crafted with a unique combination of Poly Propylene, Glass Fiber, and Mica Cone materials, the S2-S40 is designed for lightweight construction, high output, and low distortion, giving you a clean and accurate audio experience. Alpine-exclusive High Amplitude Multi-Roll (HAMR) surround technology is integrated into the speaker design which allows for maximum cone movement, delivering powerful and accurate bass notes. Features Hi-Res Audio Certified (Up to 40kHz) Poly Propylene, Glass Fiber, and Mica Cone Material Lightweight Design with High Output and Low Distortion High-Amplitude Multi-Roll (H.A.M.R.) Surround   Integrated 3/4” Tweeters (Coaxial) Specifications Woofer Size: 4”  Tweeter Size: 3/4” (Coaxial) Power Handling: 45W RMS / 140W Peak Frequency Response: 97Hz - 40kHz (Hi-Res) Sensitivity: 86dB

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