Model #: ED4001AD110218
The 4-inch tweeter is selling by unit(s). It is a part specially designed for Better Music Builder and Nissindo speakers, and may serve as a part for other speakers. However, please make sure that this 4-inch tweeter can be used by your speaker. If not, you may need to buy a crossover for this tweeter. There are three types of tweeters in different grades (regular, premium and superior).