DescriptionAlpine 4″ Coaxial Speaker S2 Series 2-WayNewly redesigned and Hi-Res Audio Certified, the Next-Generation S-Series S2-S40 10cm (4”) Coaxial Speakers offer a new standard in entry-level sound performance.Alpine packed supreme capability into these speakers by using highly effective materials and proprietary design elements. The lightweight woofer cone, crafted from a combination of polypropylene, glass fibre, and mica materials, serves up the essential high output / low distortion sound required for High-Res Audio performance. Alpine S-Series speakers feature increased magnet sizes for more power handling and best mid-bass performance in their category.The woofer’s High Amplitude Multi-Roll (HAMR) surround brings out the best in bass by allowing maximum cone movement. A 2cm (3/4″) dome tweeter serves up all the high-frequency detail you’ve been missing with your factory speakers.All speakers in the S-Series line have a wide vehicle fitment range and include several adapters and spacers. Using in-line crossovers, these speakers can be installed quick and easy even at home.FEATURES General • Woofer Size: 10cm (4”) • Integrated 2cm (¾“) Tweeters (Coaxial) • 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 (HAMR) SurroundSPECIFICATIONS • Power Handling • Peak Power: 140 Watts • RMS Power: 55 Watts • Dimensions Woofer • Cutout Diameter: 93.6 mm • Mounting Depth: 43.0 mm • Mounting Height: 13.3 mm • Magnet: 75.0 mmGeneral • Frequency Range: 100 Hz – 40 kHz (Hi-Res Audio Certified) • Impedance: 4 Ohms • Sensitivity: 86 dB/W
