uxcell a13122300ux0423 Car Speaker, 2 Pack Car Dome Tweeters; Material: Plastic,Metal; Color: Black,Blue,Silver Tone Package Content: 2 x Car Dome Tweeters; Type: Tweeters Power: 150W; Impedance: 4 ohm Frequency: 35HZ-20KHZ; Sensitivity: 89dB Voltage: DC 12V; Dimensions: 50 x 25mm/ 2.0 x 1.0 inches(D*H)