Please be sure to check my profile. Two tweeters and a crossover network DDC-F17A. The tweeters have covers that allow you to adjust the angle. The manufacturer is unknown, but the sound quality is quite good. They are not originally a set, but I have confirmed that they both work, so please use them creatively. The transparent cover for the crossover is missing, so it is not included. The profile also states that there is no warranty.