RE Audio SXT2.5PRO 2.5" 100 Watt 8-Ohm High Energy Aluminum Bullet Tweeter RE Audio SXT2.5PRO 2.5" 100 Watt 8-Ohm High Energy Aluminum Bullet Tweeter Power Handling: 100 Watts RMS Power Handling: 50 Watts RMS Impedance: 8 Ohm Sensitivity: 105 dB