Newly redesigned and Hi-Res Audio Certified, the Next-Generation S-Series S2-S65C 16.5cm (6-1/2") Component Speakers offer a new standard in entry-level sound performance. We 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 fiber, 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 2.5cm (1") 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: 16.5cm (6-1/2") • 2.5cm (1“) Tweeters with Swivel Housing • 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) Surround • Compatible with KTE-S65G Speaker Grills (sold separately) SPECIFICATIONS Power Handling • Peak Power: 240 Watts • RMS Power: 80 Watts Dimensions Woofer • Cutout Diameter (flush-mount): 128mm • Mounting Depth: 57.7mm • Mounting Height: 12.0mm • Magnet: 90.0mm Dimensions Tweeter • Cutout Diameter (flush-mount): 51mm • Mounting Depth: 17.6mm • Mounting Height: 8mm General • Frequency Range: 55 Hz - 40 kHz (Hi-Res Audio Certified) • Impedance: 4 Ohms • Sensitivity: 88 dB/W