New pairs of XTC-5500 500 Watt super high frequency mini car audio tweeters. These are very good quality tweeters that put out an impressive amount of high end. Each of these tweeters is 1.5" round and 3/4" deep with a black surround and chrome finish grill! These are 500 Watt tweeters that have a frequency response of 5K - 20 KHz and a sensitivity of 97dB! These tweeters can definitely make your car audio system perform on another level! pairs of 500 watt car tweeters by xXx Black housing with chrome finish grill Each tweeter is 1.5" round and 3/4" deep Standard, flat mount with included hardware Approximately 250 Watts RMS / 500 Watts peak power 4 Ohm impedance (can be used with 8 16 Ohm systems also) Frequency response: 5K - 20KHz Sensitivity: 97dB