1 Aluminum Bullet Super Tweeter Specifications RMS Power Handling: 75 Watts PEAK Power Handling: 150 Watts Frequency Response: 3 kHz - 23 kHz SPL @ 1w/1m: 102dB System Impedance: 4-Ohm Magnet Weight: 10 oz Structure Weight: 20 oz Cutout Diameter: 3.00 Mounting Depth: 1.50 Features 1 High Temperature Kapton Voice Coil Aluminum Diaphragm Cast Aluminum Frame Packed in Pairs with Mylar Bass Blocking Capacitors