Boss Audio 1 Micro Dome Tweeters 200 watts max 1 Polyimide Dome Ferrite Magnet...Boss Audio 1 Micro Dome Tweeters 200 watts max 1 Polyimide Dome Ferrite Magnet 4 Ohm Impedance Frequency Response: 5k - 20kHz Surface/Angle/Swivel Mount Sold in Pairsmore