This heavy duty titanium super tweeter will allow you to achieve the highest highs This driver contains a 1.5" titanium diaphragm for sweet, accurate highs. With the force of a 30 oz. magnet, this 350 watt tweeter isn't lacking for power. Frequency response: 2 -23 kHz. 4 ohm impedance. | Pyle | | 1.5” Audio Car Tweeter Speaker | Aluminum Die-Cast Frame, 500 Watt Peak, 2 kHz | 25 kHz Frequency Response, 4 | Silver | Best Buy