uxcell&reg; Car 500W Adjustable Bracket 1.6" Diameter Dome Tweeters Speakers 2 Pcs UXCELL (U excel !) is the sole authorized Seller of uxcell products Product Name: Dome Tweeter; Material: Plastic; Color: Black;Package Content: 2 Pcs x Dome Tweeters, 4 x Mounting Screws; Type: Tweeters; Power: 500W Impedance: 4 Ohm; Frequency: 5000-20000Hz Voltage: DC 12V; Dimensions: 4 x 3.5cm/ 1.6" x 1.4"(D*H) Net Weight: 66g; Sensitivity: 105 dB/W/m