18mm,20mm,23mm,27mm,28mm,31mm ,32mm,33mm ,34mm ,36mm ,40mm,42mm,45mm,48mm,50mm,52mm,53mm,57mm,66mm,77mm,78mm and etc.. for more dimensions selection, please contac us.
Sound pressure level:
Perfect sound speaker and multi-functional products, more widely used, applicable to any electronic products.
1. We provide you with a wide range of product design, selection, testing, to save more time for your design.
2. The company has a complete set of test equipment to improve the test results for your products.
3. Free samples will provide you with more options.
4. We offer you perfect after-sales service at any times
WHY CHOOSE US
1.Why Choose us? We are professional R&D and manufacturer of speakers,microphones,Bluetooth model and PCBA, speaker test , remote control ,smart speakers and smart home product design with more than 10 years' 2. When can i get the quote? Usually we quote our best price within 12 hours after we get your details inquiry. 3. How long can I expect to get the samples? After you send us confirmed files, the samples will be ready in 3-7works days. The samples will be sent to you via express and arrive in 3-5 days. (According to your requirements) 4. How can i place an order? 1> To call our direct office number if you are in a hurry. 2> To chat with our online service sales team. 3> To fill in our required details as clear as possible, so that we can get to you back within 24hours. 5. Can you do the design for us? Yes, We have a professional team having rich experience in every field and manufacturing.Just tell us your idea, we will help to carry out your idea into perfect products 6. What about the lead time for mass production? Usually, it depends on the order quantity and your requirements you place the order.Generally 10-20 work days for it. 7. What is your terms of delivery? We accept EXW, FOB, CNF, etc. 8. What is the shipping method? 1>For small orders, we used the international expresses, such as DHL, UPS, TNT, FedEx, etc. 2>For big orders, we can ship the goods by sea or by air.(According to your requirements)