Mr. Dj HDT500S Pair 4-Inch Titanium Bullet High Compression Tweeter with 54 Ounce Ferrite Magnet Pair 4" Titanium Bullet High Compression Tweeter 54 Oz Ferrite Magnet 1" High Temperature Kapton Voice Coil, 300 Watts Max/50 Watts RMS Impedance 4 OHMS Crossover Capacitor Included