Features 1" aluminum dome compression tweeter Aluminum Die Cast Chassis Shallow Mount Ferrite Oxide Magnet Specifications Tweeter Dynamic Power Handling: 500 watts Tweeter Nominal Power Handling: 250 watts Frequency Response: 3.8KHz - 20 KHz Impedance :4Ω Tweeter Sensitivity: 105 dB DIMENSIONS: Tweeter Mounting Depth: 1.33"/ 33.89 Tweeter Cutout Diameter: 2.87"/ 72.89 Description