The 1.5" Neolite Titanium Dome Tweeter features fluid cooling and a strong neodymium magnet. The great mid range quality of this driver ensures clear, intelligible vocals. It has the capability of producing 60 watts of screaming mids and highs. This tweeter has a frequency response of 1kHz-20kHz and a magnet weight of 33.5 grams. Direct replacement for PA6BT, PA6S and PA6SR speakers.