HONGCHANG(CHANGZHOU) ELECTRONIC CO.,LTD is 50mm speaker for headphone manufacturers and suppliers in China who can wholesale 50mm speaker for headphone. We can provide professional service and better price for you. If you interested in 50mm speaker for headphone products, please contact with us. Tips: Special needs, for example: OEM, ODM, customized according to demands, design and others, please email us and tell us detail needs. We follow the quality of rest assured that the price of conscience, dedicated service.