50 Watts RMS Multi Mounting 20mm Aluminum Dome Tweeters                                                                                                                                                                                                                                          Massive Audio's FT Series Tweeters featuring neodymium magnets and 12dB crossovers and Ferro Fluid Cooled Motor Structure For Added Efficiency. The Infused aluminum dome tweeters come with flexible mounting options including surface, angle or flush mount with 360 Degree swivel features for all mountings.