Sound Boss SB-TW-002 Car Coaxial Dome Tweeter Speaker 300W Max (Blue) Our SB-TW-002 Coaxial Dome Tweeter Speaker are excellent choices Their dual design handles 300 watts max Audio Sensitivity:92db/w Frequency Range (Hz):2000HZ-25KHZ Signal To Noise Ratio:89db / w Out Power:300W MAX Item Size:1/2" 6 MONTHS WARRANTY