Pair Power Acoustik Nb1 200w 1 Car Audio Dome Niobium Tweeter 200 Watt Nb-1 Power Acoustik NB1, 1" Tweeters Niobium Rare Earth Ferroelectric Transducer Magnet 200 Watts Peak Power, 100 RMS Watts Power Built-in Inline crossover Freq. Resp. 5 kHz to 25 KHz Impedance: 4 ohms, 2-Way Mount Surface/Angle Mount Tweeter Stock and Sold By CarAmpAndSpeaker