Pyle-Pro PH25 120 Watt Dynamic Horn Tweeter (3-inch x 3-inch, Square) Max Power Rating: 120 Watts - Dimensions: 3.35"h x 3.35"w x 2.75"d 15 oz Magnet - 8 Ohm Impedance Sensitivity: 100dB @ 1W/1M Frequency Response: 1kHz - 15kHz 25mm Voice Coil Size Frequency response: 1kHz - 15kHz Max power rating: 120 watts 15 oz. magnet 8 Ohm Impedence