When nothing but the loudest and clearest high frequencies matter, then the PBX-PRO3H Horn Tweeter is what you need. This super efficient Tweeter is loud and clear and will not only make your highs stand out, but it will be ear catching and give your system the attention it deserves. We use a combination of different combined technologies to deliver nothing but piercing and accurate highs. When combined with the 4XL-65-92 or 80-94 Mid-Range drivers, you will have the brightest and loudest mids and highs in your ride that can be heard for over a mile away. Now all you need is to add some PowerBass Subwoofers and you will be the Audio King of your city! 3" Ring Radiator Horn Tweeter Black Powder Coated Die Cast Horn Titanium Diaphragm CNC Aluminum Bullet Phase Plug Diffuser 18 oz. Motor Structure Single 4-Ohm 105 dB SPL 6 dB Crossover Included 4-ohm System Impedance Sold Individually Specifications Nominal Impedance: 4-ohm Material: Cast Aluminum Magnet Size: 18 oz Sensitivity (1W / 1M): 105 dB Mounting Depth: 2.35 in" Size: 3 in Sensitivity: 105 dB Frequency Response: 3 kHz - 20 kHz Power Handling (RMS/Peak): 100 / 200 watts