1" Compression Neodymium Bullet Tweeter Specifications RMS Power Handling: 55 Watts PEAK Power Handling: 110 Watts Frequency Response: 3 kHz - 23 kHz SPL @ 1w/1m: 100dB System Impedance: 4-Ohm Outer Neodymium Motor Diameter 2,28"(5,8cm) Cutout Diameter: 2.34"(5,95cm) Mounting Depth: 1.38"(3,5cm) Features • 1" High Temperature Kapton Voice Coil • Neodymium Bullet Tweeter • Cast Neodymium Frame • Packed in Pairs