2.5 inch (72 mm) horn type piezo tweeter unit [make your own speaker/DIY audio]Price: 4,067원View this product on SAZO
![2.5 inch (72 mm) horn type piezo tweeter unit [make your own speaker/DIY audio]](https://tshop.r10s.jp/nfjapan/cabinet/item/s/s0211.jpg)