For 40mm 8 OHM waterproof speaker, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our 40mm 8 OHM waterproof speaker has been well received by many customers and enjoyed a good reputation in many countries. Changzhou Esuntech Co.,Ltd.40mm 8 OHM waterproof speaker have characteristic design & practical performance & competitive price, for more information on the 40mm 8 OHM waterproof speaker, please feel free to contact us.