Absolute USA PBT43B 4-Inch Titanium Bullet High Compression Tweeter with 11 Oz Ferrite Magnet 4" Titanium Bullet High Compression Tweeter with 11 Oz Ferrite Magnet, 1.75" High Temperature Kapton Voice Coil, 500 Watts Max/100 watts RMS,500 Watts Max/100 watts RMS with 11 Oz Ferrite Magnet 1.75" High Temperature Kapton Voice Coil 500 Watts Max/100 watts RMS 500 Watts Max/100 watts RMS