Features of S-S10TW: Two 1 Tweeters High-Grade Neodymium Motor Structure Silk Dome Tweeter Design Removable Alpine Logo Includes a 15-degree Swivel Flush Cup Housing Includes a height adjustable stealth OEM mount Compatible with Alpines S-Series Max RMS Power Capacity: 80W Peak ...Features of S-S10TW: Two 1 Tweeters High-Grade Neodymium Motor Structure Silk Dome Tweeter Design Removable Alpine Logo Includes a 15-degree Swivel Flush Cup Housing Includes a height adjustable stealth OEM mount Compatible with Alpines S-Series Max RMS Power Capacity: 80W Peak Power Capacity: 240W Material: Silk Magnet Type: Neodymium Voice Coil Type: Copper Clad Aluminum Crossover: Passive 12dB/Octave High-Pass Filter, Frequency Response: 1kHz-22kHz, Sensitivity: 88dB (1W / 1m) Impedance: 6 Ohm, Flush Mounting Depth: 17.6 mm, Cutout Diameter: 51 mm.